Kateikyoushi Hitman Reborn! s01e18
Titre original : Poisoned Love Chocolates
It's Valentine's Day Kyoko and Haru are at Tsuna's house to make some chocolate, only to his horror to find that they are being helped by Bianchi. Tsuna and his friends have to find away to get Bianchi away from them before she ends up poisoning the chocolate.