Yuki Kamegawa

Yuki Kamegawa is the younger sister of the story's male lead, Yuu Kamegawa, currently navigating her first year of university. Bright and a little mischievous by nature, she has a particular fondness for teasing her brother about his ambiguous relationship with his senior, Azusa Tetsuwa. As an outside observer, she possesses a sharp eye for reading the awkward emotional dynamics between the two, often stepping in as a witty catalyst during their everyday interactions.