Everything is about to go off the rails for Keiichi. When his parents head overseas for the summer, he thinks he is in for a relaxing break, but he could not be more wrong. Left behind to supervise his five younger sisters, he quickly realizes that their intentions are anything but sisterly. With his parents out of the picture, the girls are wasting no time making their aggressive moves on him, turning his quiet vacation into a chaotic, heart-pounding mess of forbidden advances. Can Keiichi really keep his composure when he is surrounded by sisters who refuse to hold back? Dive into this wild, high-stakes comedy where boundaries are meant to be broken and the summer heat is rising in more ways than one.

harem, ecchi, comedy, romance, sibling rivalry, seinen, manga, slice of life, fan service, suggestive themes