[She listens to all his worries and is Kokoro for him] [Every time he tries his best, Fua praises him] [She carefully teaches him everything from fingering to massaging his breasts] This is a documentary of a virgin boy and his 30-day cohabitation with a beautiful, slender, caring older sister who has an outstanding personality! She is kind, constantly watching the man's expression and adjusting her hip movements, and she leads him at his pace like an older girlfriend! You'll fall in love with her in an instant!