Ichiro and Kana are trapped inside a laundromat during a thunderstorm. Afterward, summer vacation is finally here. So, why is Kana at Ichiro's house babysitting his sister?
There's probably a perfectly innocent, unsuspicious reason why Kana's currently in Ichiro's room. On a related note, is Ichiro's mom up to something, or is that just paranoia?
Mayu wishes to grow closer with Rin and lunchtime provides the perfect chance. Later, Rin must shield Mayu from prying eyes after her shirt gets caught in the train door.
Takahashi's coming down with hypothermia and Hikari must warm him up. Later, Hikari's mischievous nature catches up to Rin and Mayu. Handcuffs are involved.
Hikari grows jealous of Takahashi and Saya's relationship, resulting in an embarrassing moment for everyone involved. Has this finally cost Hikari her bond with Takahashi?
Koh vows to find a girlfriend before graduation, but it's not like he's got the chance to meet girls. Wait - Why the Hell is the School Nurse Here at his job!?
Koh humors Chizuru by agreeing to split her lottery prize, but he doesn't know she's about to hit the jackpot. Now they're going on an all-expenses paid vacation together.
Koh didn't get any chocolates on Valentine's Day. Will his luck change after he runs into Chizuru? Either way, graduation is approaching and he has yet to find a girlfriend.
Ichiro, Rin, Takashi, Koh and their beloved teachers head out for a comfort trip after graduation. However, due to a mistake by Kana, it is discovered that only two groups can stay at the inn.
