Sunny Ryoko

At just 15 years old, Kishimoto Kasumi embarks on a new chapter of her life, moving in with her aunt to pursue her high school education. To her surprise, her new home is already bustling with four male students, each bringing their own unique personalities and dynamics to the mix. Just as she begins to settle in, an unexpected encounter occurs when Takasugi Yusaku accidentally walks in on her during a bath, setting the stage for a series of humorous and awkward moments that define her high school experience.

As Kasumi navigates the challenges of adolescence, friendships, and budding romances, she learns to balance the chaos of living with boys while trying to maintain her composure and focus on her studies. With each twist and turn, her days are filled with laughter, misunderstandings, and the unpredictable essence of youth, creating a vibrant tapestry of school life that is both relatable and entertaining.