Sharing feelings on a summer festival date, Himari and Yori kiss for the first time with the fireworks in the background.

However, after that, the two who ran to Yori’s house due to sudden rain, will unexpectedly have their first night staying together.

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夏祭りデートでお互いの気持ちを打ち明けあって、
花火を背景に初めて唇を重ねたひまりと依。
しかし、その後突然の雨で依の家に避難した二人は、
期せずして初めてのお泊りも経験することに…