简介
炎炎夏季里的平凡周末，凑智花（花泽香菜 配音）鼓起勇气，希望向长谷川昴（梶裕贵 配音）请教暑假作业。爽朗的昴一口答应，并邀请她来家中做客。二人由此开始了充满各种小心思和小尴尬的周末补习。与此同时，三沢真帆（井口裕香 配音）、永冢纱季（日笠阳子 配音）、袴田日向（小仓唯 配音）、香椎爱莉（日高里菜 配音）四人无所事事，不知该如何打发漫长而无聊的暑假。最终她们决定，合力制作主题为智花的印象蛋糕。说干就干，女孩们分头忙碌起来。而当这两组人马凑到一起之后，又会发生怎样有趣的故事呢？
本片根据苍山サグ（原著）、Tinkle（插画）的轻小说改编，是同系列动画片的OVA。。Shinobu and her class are preparing for a play for their school's cultural festival while Aya feels a little distanced from Shinobu for not having any elementary school memories with her. The story will takes us back to the past where Shinobu, Yoko, and Aya in their third year middle school year are preparing for their highschool entrance exam.。