New students at Aokisora High School Mishima Haruki and Honda Towa are best friends. Honda oftens stays over at Mishima's house after coming over to hang out.

At a convenience store near their high school, Mishima runs into his classmate Mashiki Miharu, a girl he's recognized since he was little. Though they've never spoken much before, when Miharu accidentally knocks over a bunch of products, Mishima helps her put them back without a word.

Meanwhile, Honda is being avoided by Mihashi Mami, the other class representative...
Oh, crap. The upperclassmen are coming.
.كلاّ. الزّملاء الأكبر قادمون
¡Rayos! ¡Mis senpai!
¡Porras! ¡Mis senpai!
Oh, cacchio. 
Arrivano i ragazzi degli altri anni!
Essa não, o veterano chegou!
Чёрт, старшеклассник идёт.