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...
To: Takeo-kun 
Subject: Um 

Um, Takeo-kun. 
I have something I want to tell you...
معذرة يا تاكيو-كن
An: Takeo-kun
Betreff: Öhm
Öhm, Takeo-kun …
Ich muss dir da etwas sagen …
Para: Takeo-kun
Asunto: Este...

Este, Takeo-kun, 
 tengo que decirte algo...
Para: Takeo-kun
Asunto: Esto...

Esto... Takeo-kun, 
 tengo que decirte algo...
À : Takeo
A: Takeo-kun 
Oggetto: Ehm...

Ehm, Takeo-kun...
Volevo dirti una cosa.
Para: Takeo 
Assunto: É... 

É, Takeo. 
Preciso te contar uma coisa...