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: Hello 

Takeo-kun, 
today was really fun. 
When can I see you again? 
I'll bake cookies.
تاكيو-كن
An: Takeo-kun
Betreff: Hallo
Takeo-kun,
heute hatte ich viel Spaß.
Wann kann ich dich wiedersehen?
Ich back dann Cookies.
Para: Takeo-kun 
 Asunto: Hola 

Takeo-kun, 
hoy me divertí mucho. 
¿Cuándo nos volvemos a ver? 
Te haré unas galletas.
Para: Takeo-kun 
 Asunto: Hola 

Takeo-kun, 
hoy me divertí mucho. 
¿Cuándo nos volvemos a ver? 
Te haré unas galletas.
Takeo,
A: Takeo-kun 
Oggetto: Ciao 

Takeo-kun, 
oggi mi sono divertita molto. 
Quando possiamo vederci ancora? 
Farò dei biscotti.
Para: Takeo 
Assunto: Olá 

Takeo, 
hoje foi divertido.  
Quando a gente pode se ver de novo? 
Vou fazer uns biscoitos.