During her elementary school years, Chiyo came across Mutsumi, a boy three years her junior. Even now, she remains a caretaker for him. However, there's a small concern growing within her that she's viewed only as an older sister who meddles in his life, especially considering that he seems to live in a different world compared to her. Unexpectedly, when she shows off her company party attire to Mutsumi, his reaction is beyond what she ever imagined! This novel tells the tale of a steamy and sweet love story between a womanizing artist who is handsome and an older woman, who takes care of everyone in her office.
