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 think I'm dense.
أظن أنني بليد
Ich habe wohl eine lange Leitung.
Creo que soy idiota.
Creo que soy idiota.
Je crois 
que je manque de perspicacité.
Credo di essere un testone.
Eu me acho muito duro.