Koyori has always struggled around boys—so much so that her biggest goal in life is to avoid them at all costs. But everything crumbles on her first day of high school when the breathtakingly handsome senior, Mihiro, corners her and steals a kiss right out of the blue!

She wants to push him away, but her body reacts against her will—because Koyori carries a secret, one powerful enough to force her into an unexpected arrangement: living under the same roof as the teasing, devilishly charming Mihiro.

From dawn to midnight, she’s showered in affection by her infuriatingly irresistible senpai. A dangerously sweet co–living romance begins now!