Let Me Stay for Half the Rent? I Promise I Won't Do Anything!

Ruka, a close friend, moves into your place under the pretense of saving on living expenses. She clings to you with zero sense of distance and teases you mischievously, but the moment you try to make her aware of you, she flashes a devilish little smile and says, "We're just friends, right?" A frustrating yet thrilling cohabitation life under one roof begins.