after graduation, aya suddenly shows up at her brother's place. "let me stay here until i find a good room!" suddenly begins the life of living together with her sister. however, instead of looking for a room, she spends all day playing games in the room! the angry brother tries to make his sister hate him and leave by groping her exposed huge tits! but, "i'll let you grope as much as you want, so let me stay here a little longer." to his surprise, she responds! the brother, who is getting carried away, escalates his demands, and the sister also becomes lewd and aroused!
