7時。三角公園の、時計のとこ――。
再び約束した灯籠祭。あと1ミリの距離まで近づいた双葉と洸だったが、約束が叶うことはなかった。夏休みが明け、双葉は音信不通だった洸に迫るが、その表情は今までの洸の表情ではなかった。一方、文化祭に向けて着々と準備が進む中、双葉に好意を抱き始めた冬馬は、洸への想いを知りつつも積極的に距離を詰めていく。放課後、誰もいない教室で2人きりになる双葉と冬馬だったが――。
Once again, they promise to go to the Lantern Festival. Futaba and Kou come within a millimeter of each other, but the promise is never kept. After the summer break, Futaba approaches Kou, whom she has not heard from, but his expression is not the same as Kou’s before. Meanwhile, as preparations for the cultural festival continue, Toma begins to develop feelings for Futaba, and despite knowing her feelings for Kou, he proactively closes the distance between them. After school, Futaba and Toma find themselves alone in an empty classroom, but then…
