Ichiko Sakura

Driven by an insatiable desire for praise and envy, this high school student possesses the supernatural ability to absorb happiness energy to maintain her intelligence, beauty, and health. Although her self-centered ego often leaves her isolated, she finds herself increasingly drawn to Keita, feeling a deep sense of envy toward the genuine joy he and his siblings share. Despite her mastery of martial arts and playing innocent, she struggles with her growing feelings for him.