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He transmigrated into the body of an idol who debuted at 15 but was now past his prime, and who was also a senior high school student.

His unscrupulous agent forced him to leave the entertainment industry, meaning no work and no income. The most urgent task after transmigration was to first support himself.

However, without a system or any cheat abilities, how could he replicate miracles relying on his limited memories?

It's alright, he was someone who had managed to get into a top university (985) by his own merits. New era, new world, the struggle begins from being a washed-up idol.