Mari Nishino

As Takeru's cousin, this character frequently finds herself at odds with him, often resorting to constant nagging during their many disagreements. However, beneath her critical exterior lies a deep, unrequited affection for him, fueling a strong sense of jealousy regarding his romance with Hikari. Despite these complicated romantic feelings, she remains a kind-hearted individual who maintains a friendly bond with Hikari and continues to offer Takeru her support.