The high school boy protagonist turns to his childhood friend and neighbor Rio who's a university student, to help him study for his college entrance exams. Note: the untranslated oneshot "Open Family" is not a...

From Fujoshi Bitches: “Tomorrow, I’ll put a curse on my father…”Right after reuniting with his father, from whom he’d been separated when he was a kid, Ryou suddenly traveled back in time 22 years, during the...