漫漫长夏，父母外出，豪宅中只剩我和妹妹。
体验版包含1-2小时丰富内容，7个震撼亲密场景，超300张精美CG，带来极致感官体验！
正式版10月上旬发售，敬请期待♡
故事简介
父母出差，空荡宅邸里，我与妹妹开启为期一个月的同居生活。
平日冷淡的她，夜晚却展现出别样魅力：宽松睡衣下的可爱睡颜，若隐若现的柔美身姿，撩动我心。
禁忌的欲望在寂静中滋生，内心冲动再难抑制。
不仅妹妹，身边其他女孩也暗生情愫。在这限定的一月中，我能否克制悸动的心跳？
禁忌的兄妹同居生活，就此拉开序幕♡
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This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi
This guy seems to be very shy (bushi