If you have your favorite, life can shine like this! Yume, a novice landlord who is very weak against both heat and cold, loves staying at home. Mitsuko, who passionately supports all kinds of manga (including doujinshi). Noriko, who has an immense love for female idol groups. The three distinct characters create unexpected happiness, and their life together becomes even more flavorful…!? A cozy life of a beginner landlord and a hardcore otaku sister!