Yuunosuke MORINOMIYA

Yuunosuke MORINOMIYA is a 28-year-old scientist who works for a pharmaceutical company. He is a brilliant scientist, but he is also very shy and introverted. He has always been fascinated by the human body, and he dreams of one day finding a way to stop the aging process. One day, Yuunosuke is working on a new experiment when he accidentally creates a serum that can turn adults back into teenagers. He tests the serum on himself, and it works! He is now a 16-year-old boy again. Yuunosuke is thrilled with his new body, but he soon realizes that there are some downsides to being a teenager again. He is no longer taken seriously at work, and he has to deal with the constant attention of girls. Despite the challenges, Yuunosuke decides to embrace his new life. He starts dating a girl his own age, and he even starts his own business. He soon realizes that being a teenager is not so bad after all. One day, Yuunosuke's company is bought out by a rival company. The new owners are not interested in Yuunosuke's research, and they fire him. Yuunosuke is devastated,