Anzai Rikou

A boy who once proposed marriage to his kindergarten teacher Tsumugi-sensei, has grown up and returned to carry out his promise―!? A super straightforward age-gap romantic comedy!

Recently, the high school girl Waka has been having frequent dreams about a woman named Wakako and a man named Sho-san. In the dream, Wakako says to Sho-San, "I will always find you, wherever you are." One day, Waka crosses paths with Shogo, a boy who looks exactly like Sho-san!? She falls in love again with her lover from a past life!? A reincarnation love comedy.

The story revolves around Tomoya Mizuhara, a 13-year-old boy who suddenly gains a big sister when his father remarries. 17-year-old Ichika is a little strange, and her affection for Tomoya is rather overwhelming, if not scary. On top of things, Ichika's friend Ruri is the ultimate sadist. Then there is Ichika's big-breasted quarter-Russian friend Marina.