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...
a girl I like actually likes me back.
dass ein Mädchen meine
Zuneigung erwidert.
la fille que j’aime 
m’aime en retour.
una ragazza che mi piace mi ricambia.
uma garota gosta de mim.