Ai, Sunakawa's sister three years his senior, is shocked to learn during a home visit that Takeo is dating. Having secretly harbored feelings of her own for Takeo, Ai is suspicious of Takeo's girlfriend and launches her own investigation...
I won't touch a single hair on your head!
bevor du nicht volljährig bist!
je ne toucherai pas 
à un seul de tes cheveux !
non ti sfiorerò un capello!
jamais tocarei em um fio
 de cabelo seu que seja!