Male protagonist who has been reborn back to 2009, reliving his youth before the college entrance exams. In his past life, he was 30 years old, had a successful career aided by his father's network and prestigious degree, and had numerous relationships with young women but always felt an inexplicable emptiness. He was previously unkempt, wore glasses, had messy hair, and was indifferent to romance during high school due to his parents' divorce. His first serious relationship was with a woman seven years his senior who shaped him into a man. He now possesses the memories and maturity of a thirty-year-old while inhabiting his teenage body.
