Takeo and Rinko are now text pals. Takeo's heart skips a beat every time he gets a girly text from Rinko, but he believes Rinko has fallen for Suna and vows to make her dream come true.

Makoto's older sister Ai is shocked to learn 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...

Mariya Saijou tells Takeo that she likes him "as a person" after falling for Takeo, knowing full well that he already has a girlfriend. Being dense, Takeo takes her words literally, but what will he do once he finds out how she really feels?