Saeki San to, Hitotsu Yane No kaI'll Have Sherbet! 3 (Famitsu Bunko) [Light Novel]

[Machine Translation] Kyoushi Yumizuki and I went back home for the first time in four months, went to the swimming pool with Saeki-san at Sakurai-san's suggestion, and so on, and I can say that the summer vacation was going well for Kyoushi and her cohabitation. Then came September. Preparations for the school festival to be held a month later began at Mizumori High School in the second semester. The school year has come to a turning point. Something is about to happen as they prepare for the big event. This is the third act of a live-in and school love comedy between the always calm Yumizuki-kun and the beautiful, but slightly sexy Saeki-san.

四ヶ月ぶりに帰省したり、桜井さんの提案で佐伯さんと一緒にプールに行ったりと、僕こと弓月恭嗣と彼女の同居生活は夏休みも順調と言えた。そして、九月。二学期に入った水の森高校では、一ヶ月後に開催される学園祭の準備がさっそくはじまりだした。一年も折り返し地点。大きなイベントを控え、何かが起こりそうな気配が―。常に冷静な弓月くんと、とびきりの美少女なのにちょっとHな佐伯さんが繰り広げる同棲&学園ラブ・コメディ、第三幕。