The Anime Trope System Stone vs. Viper # 5

Ah, peace! Exams, a tiny break from the fighting, relaxation. Yeah, right. First of all, who left a certain potion in the fridge! Second, what will it take to get some common sense into the team ninja’s head? Clyde would like to know. Third, it is time to face a threat that has lurked in the city since volume 1…