Oka Sakura

“I never once thought of Kino as my sister.” Kino, an office worker living a fulfilling life, had been dating her boyfriend for three years when he proposed. One day, she stumbled upon her beloved junior colleague cheating with her boyfriend and was promptly dumped. Then her job was taken away too... At the lowest point in her life, her stepbrother, Koki, appeared. “Kino, will you marry me?” Shocked by the sudden proposal, Kino was pushed into a life as a fake couple by her forceful stepbrother, but—

"Will you... do me?" Nahana, a high school girl who is often thought to be playing around because of her flamboyant appearance, is sleeping in the infirmary when she is suddenly hugged from behind! It turns out to be Natsume, a handsome man with good manners, good looks, and outstanding popularity among girls. Nahana, who has caught Natsume's attention, is then pestered by him in the locker room and at her part-time job, so sweetly that her body becomes hot. She even goes to Natsume's house...? She should not like it, but for some reason she cannot refuse...a sweet love story that will melt your heart and body!