Cohabitation life with twins means Love and Ecchi are both double! ♡ Yuki Tsubasa is a beautiful Gal girl, a Classmate, and the girl of Makio's dreams. Makio confessed to her, prepared for the worst, but the reply he got was―― "I'll date you if you two-time me with my twin younger sister"!? Moreover, the younger sister Fuuka, who calls herself "big sister's bonus," is also somehow proactive about the relationship. Before he knew it, Makio ended up dating both of them, and in the heat of the moment, they even started living together. Makio is being toyed with, both body and soul……!