A sudden cohabitation life with your tsundere younger cousin Airi, who shows up unannounced due to her older sister's overseas transfer. What starts as everyday life together gradually turns exciting as her cheeky attitude hides growing feelings.

A hikikomori boy accidentally summons a disaster-class outer god girl named Ain using a forbidden book. With no grand wishes, he simply asks her to play board games with him since he has no friends. This causes a cosmic glitch, leading to a bizarre cohabitation comedy between a desireless shut-in and an evil god girl. Features idle gameplay × QTE × ADV, fully voiced. CV: 口谷亜夜

You live in a two-person shared house. One day, a new resident, a student girl named Minami Natsume, moves in. She calls you "big brother" and adores you. Enjoy life with her as you decide how to spend time together.

A 3D cohabitation simulation game set in the countryside! Live with your mature big sister Natsunee for 30 days—touch her, lead her around, and enjoy intimate encounters in various scenic spots like tatami rooms, verandas, and nighttime shrines.