Yi Ran spent an hour explaining each question to Song Yumeng. Song Yumeng listened carefully and took notes. Although she was still confused, she understood the general idea.

However, she didn't understand any of the conclusions about functions and conical curves that Yi Ran talked about. She had never heard of them before.

"Yi Shenjing, where did you get those messy conclusions you mentioned?"

"Some are from tutoring books, and some are my own conclusions."

Song Yumeng's eyes curved and she praised, "How can you be so amazing? You know everything!" Yi Ran

was a little embarrassed by her praise: "It's not that amazing. I just knew this knowledge earlier than you. Now I tell you, and you know it too."

Song Yumeng couldn't help nodding and listening to her questions carefully and taking notes.

She had never studied math so seriously since she started school. This was probably the charm of liking someone, which made her no longer dislike math.

After writing the notes, Song Yumeng threw her homework on the table and ignored it. She lay on the bed and concentrated on chatting with Yi Ran.

During the chat, Song's mother knocked on the door outside.

"Xiaoyu, can mommy come in?"

Song Yumeng immediately covered her mouth and lowered the volume, and said to the other end of the phone: "Yishenjing, my mom is here, don't hang up, I'll go talk to her and come back soon, don't hang up!"

Yi Ran coaxed: "Silly, I won't hang up, you go, I'll wait for you to come back."

Song Yumeng hid the phone under the quilt with a smile on her face, and then went to open the door.

After opening the door, Song's mother said, "Xiaoyu, I just heard you talking in the room. Who were you talking to on the phone?"

"Yes, I was talking to Yi Shenjing on the phone. She was explaining math problems to me on the phone!"

She ran to the table and picked up her math homework filled with notes to show Song's mother.

"Mom, look, I also wrote a lot of notes! They were all taught to me by her!"

Song Yumeng couldn't hide her thoughts at all. She especially wanted to share this joy with others, and she wanted everyone to know how good Yi Ran was to her.

Seeing her daughter's smiling face, Song's mother was also very happy. She smiled and said, "Okay, then you should thank Xiao Yi. It's not easy for him to explain the topic to you."

"I know, I know. Mom, you should go out quickly. Don't disturb Yi Shen from explaining the topic to me."

"Okay, then I won't bother you anymore."

Song's mother smiled, closed the door and left. When she went downstairs, she was still thinking that they had a good relationship, picking her up and explaining the topic in the middle of the night.

Song's mother was very satisfied with Yi Ran.

After Song's mother left, Song Yumeng jumped onto the bed and took out her mobile phone from under the quilt. She was particularly happy to see the chat minutes on it still ticking.

"Shenjing Yi, I'm back!" Her eyes couldn't hide the joy, "Did you miss me?"

Yi Ran pursed his lips and smiled, "Yeah, I missed you."

"Hehehe~" Song Yumeng rolled on the bed happily.

After a while, Yi Ran said again, "Shall I pick you up tomorrow morning?"

"Okay." Song Yumeng agreed without hesitation.

In the next few hours, the two talked about everything under the sun, laughed continuously, and talked until twelve o'clock.

But Song Yumeng still felt that she was not satisfied.

"Yi Ran..." She called her name softly, and she really missed her in her heart.

Yi Ran felt that her heart skipped a beat and palpitated.

"Huh? What's wrong?"

"I miss you so much, I don't want to hang up the phone with you." The tone was aggrieved, and tears were flashing in Song Yumeng's eyes.

"Yeah." Yi Ran calmed down the turmoil in his heart and coaxed her patiently, "Dear, I miss you too, but it's really late now." She hid in the quilt and whispered, "My dad will come to check on us later. If he catches us, we'll be dead. We won't be able to call you anymore."

When she heard that she couldn't call anymore, in the middle of the night, Song Yumeng was so fragile that her tears fell directly on the pillow. She didn't dare to wake up her parents too loudly, so she hid in the quilt and sobbed quietly,

which made Yi Ran feel distressed.

"Why are you crying, idiot? I haven't been caught yet." She smiled softly, but she was actually very touched in her heart.

Song Yumeng's tone was filled with tears: "Then I won't call you, don't get caught."

"Well, you sleep well, we can meet tomorrow."

Song Yumeng said reluctantly: "Okay, then good night."

"Well, good night." Yi Ran's tone was too gentle, "Go to sleep quickly, don't cry."

"Okay, got it."

...

The next morning, the sky in the distance was just getting light, and Song Yumeng got up very early, just to see Yi Ran early.

At this time, Song's mother happened to prepare breakfast for her. As soon as she put it on the table, she saw her daughter running downstairs excitedly with her schoolbag. She was afraid that she would accidentally step on the empty stairs and fall down.

When Song Yumeng came over, she said angrily, "Why are you running so fast? What if you fall down?"

"It's okay, Mom. I didn't fall down!" Song Yumeng picked up a piece of toast from the plate and stuffed it into her mouth. She was so impatient that she choked.

She quickly picked up the glass of milk on the table and swallowed it. The bread stuck in her throat finally slid down into her stomach.

Seeing her abnormal behavior, Mother Song asked her puzzledly: "Xiaoyu, why do I feel that you have been excited since you came home yesterday? What are you excited about? Tell me?"

"Nothing, Mom, it's just that Yi Shenjing told me last night that he would pick me up to go to school this morning, and I was a little happy!" As she spoke, she lowered her head shyly, her heart was filled with sweetness.

Mother Song said, "Xiao Yu, I'm very happy that you and Xiao Yi have a good relationship, but you're bothering me to pick you up from school and giving you lectures late at night. Isn't that a bit bad? It's too much trouble for me, isn't it?"

Song Yumeng retorted, "Mom, you're worrying about nothing. Xiao Yi doesn't think I'm a bother. She can't wait to stick with me!" She became shy again and said in a boastful manner, "Besides, it was she who suggested picking me up from school in the morning. She wouldn't do it even if I wanted to refuse!"

Song's mother sighed and said, "It's rare to see you have such a good relationship with anyone. It can be seen that you like Xiaoyi very much, and Xiaoyi is also really good to you. She is a rare friend, so don't make her angry and leave."

"No way!"

She would not be so stupid as to make Yi angry and leave! She would cling to her for the rest of her life!

But her mother was only half right. Yi Ran was indeed rare, but she was not a friend, but a girlfriend.

With a "ding" sound, Song Yumeng's mobile phone rang with a voice of special concern.

She only cared about Yi Ran, and it was obvious that Yi Ran had sent her a message.

Song Yumeng was so happy that she couldn't close her mouth, and immediately unlocked her phone to look at it.

[Are you awake? I'm at your door, come out quickly. 】

【Good boy, pat on the head.jpg】

Song Yumeng typed on the keyboard and replied in seconds.

【I'm coming (////)】

After sending the message, she grabbed the schoolbag on the chair and ran to the door, not caring about the half-eaten toast on the plate, and almost put her shoes on the wrong way around.

She couldn't wait to see her Yi Ran.

"Mom, I won't tell you anymore, Yi Shen is already at the door!" She opened the door and rushed out, leaving only her back and the door open.

Yi Ran leaned against the front of the electric car and looked at the ground. Song Yumeng was very happy when she saw her.

"Yi Ran——!"

She called her name sweetly, then started running from a long distance, and finally threw herself into Yi Ran's arms, knocking Yi Ran back a few steps.

Song's mother wanted to go over and close the door, but when she walked to the door, she happened to see her daughter jumping into Yi's arms not far from the door.

Song's mother was stunned.

Her daughter actually took the initiative to hug someone and act coquettishly? And the expression on her face... It was totally unbearable to watch!

Her daughter hugged Yi Ran as soon as she saw him, and smiled foolishly when she mentioned Yi Ran, and she couldn't stop talking about Yi Ran.

She once again felt that the relationship between the two was not ordinary, and even a little unnatural.

Yi Ran wanted to hug Song Yumeng tightly, but when Song's mother came out and saw them, he let go of Song Yumeng nervously, and took a step back to keep a distance from her, standing properly.

She felt a little regretful and annoyed. Her girlfriend was so sweet and soft, and she really didn't want to let go at all.

Song Yumeng was still wondering why Yi Ran didn't hug her, but when she turned around, she saw her mother standing at the door looking at them, and she immediately became nervous and embarrassed.

"Hello, Auntie." Yi Ran greeted her awkwardly.

"Don't be so polite." Mother Song came over and said with a smile, "Xiao Yi, have you had breakfast? I just made something. Would you like to try some?"

Yi Ran quickly shook her head and refused: "Thank you, Auntie, but I've already eaten and can't eat anymore."

"Oh, okay then."

At this time, Song Yumeng suddenly took Yi Ran's arm intimately and said to Mother Song: "Mom, we are leaving, you don't have to see us off." Yi

Ran felt a little guilty and wanted to pull his hand away, but Song Yumeng held it tighter. I don't know if it's a psychological effect, but she always feels that they are too close and it's easy to be discovered.

Song's mother said, "Okay, let's go, be careful on the road."

Yi Ran responded, turned around and picked up the safety helmet to put it on Song Yumeng out of habit, but then she changed her mind and put the helmet back for safety reasons.

Song Yumeng noticed her little action, and although she was a little dissatisfied in her heart, she didn't say anything. As usual, she got into her car and hugged her waist tightly.

When Yi Ran drove the car to the school and stopped, Song Yumeng settled the score.

She sulked and said, "Why didn't you put the helmet on me just now? You clearly brought the helmet over. Tell me the truth and don't make excuses."

Yi Ran touched her head and explained, "Your mother was here just now, and I was afraid that we were too close and she would get suspicious."

Song Yumeng pouted, "What are you afraid of? I wish the whole world knew that we are in love. Although I don't plan to tell my parents about this now, if you want to tell them, I can tell them now."

Yi Ran coaxed them patiently, "Don't tell them now. Tell them when we're romantic enough."

Song Yumeng smiled very happily and replied with a sweet "OK".

Yi Ran touched her head and said, "Don't tell anyone else, otherwise they will gossip and make you unhappy again."

"Whoever dares to gossip, I will tear his mouth apart!"

"What if it's my parents? Would you do the same?"

Song Yumeng was deflated at once: "Ah - then you want to break up with me?" She grabbed Yi Ran's collar tightly with both hands and said fiercely, "Yi Ran, I'm warning you, you'd better not have the idea of ​​getting rid of me in your life. I advise you to give up this dangerous idea as soon as possible!"

"You see, you are daydreaming again." Yi Ran looked at her lovingly.

Song Yumeng said more seriously: "Then tell me, what if your parents don't agree?"

Yi Ran spread her hands, "What else can I do? Just endure it. Can I break up with you?"

Although the tone sounded a little careless, the words deeply touched Song Yumeng's heart.

"Yi Ran..." Song Yumeng was moved and threw herself into her arms, hugged her neck, looked at her with tears in her eyes, and acted coquettishly, "Why are you so good..."

"Why do you cry so easily? Are you a little crybaby?"

"I am!" Song Yumeng answered angrily.

Yi Ran held her in his arms with his left hand, smiled softly, and used his right hand to gently comb her hair. He coaxed her softly, "If you keep being so annoying, we'll be late. Let's go."

Song Yumeng nodded obediently, left her arms and followed her to school, holding her hand tightly and clinging to her side to act coquettishly.

"You are not allowed to leave me, and you are not allowed to like other girls, even boys. You can only like me and be good to me. This is called the principle of partiality."

"Well, whatever you say."