"Ayaka-chan is going to stay at our place starting today. It's okay with you, right, Marika?" "………………Huh!?" Marika and Ayaka are steadily deepening their relationship. Next week is the Christmas party. However, at such a time, Marika's mother suddenly needs to be hospitalized for a short stay. With her father on a business trip, Marika is left alone at home. Just before the nighttime curfew, Ayaka raised her hand. "Then, I will protect Marika-san." Marika is thrilled at the unexpected cohabitation. But the development she was hoping for doesn’t come... "I promised my mother. I will never lay a hand on Marika. For this week, I will become a weapon solely to protect Marika." "Just attack already!" This time, it's another big upheaval with 160% sweetness, bringing you a highly popular girls' love comedy!