【2025.09.06】SW and VH are being upgraded to Server Ver2. During this period, some video downloads may be temporarily affected.
從小就一直在一起的「步美」與「七瀨」。雖然是姊妹、然而在某個事件之後變成了戀人。然而在煩惱未來關係的「步美」與要離家唸書的「七瀨」…。