Yasashii Sekai no Tsukurikata

Yuu Tomonoga is a genius who was accepted to an American university at the young age of 13 and later accepted into the university's graduate program. Unfortunately, he loses funding for his research and decides to drop out and continue the research on his own. He travels back to Japan in hopes of getting funding, but he quickly runs out of money for daily living. Luckily, he gets a call from an old friend and accepts his offer to teach at an all-girls school.

Chihaya Katsuragi is a handsome, heterosexual guy who is troubled by his inability to find a girlfriend. He is a high school student who is a little jealous of his handsome best friend, Wakana Kawamura, but in a sense, he is enjoying a normal adolescence, wishing every day that he will lose his virginity. But then, Chihaya experiences a big turning point? He transforms into a girl with a glamorous body? Chihaya is perplexed and curious about his ideal body, but the reality is much harsher than he expected...?

Hazama-san, who finds herself in a new job at a record label, discovers one of her colleagues is secretly an oil baron. She makes it her mission to find out who and marry him so as to fund her expensive habits.