A schoolmate who secretly shares Raku's crush on each other. She is the sister of Haru and carries one of the locket keys. Raku hopes she is his childhood sweetheart, and she harbors deep affection for him while navigating the complicated fake relationship dynamics.
A steadfast, unspoken affection that highlights Kosaki's internal conflict and loyalty despite romantic obstacles.
A deeply protective familial bond that evolves through skepticism, conflict, and eventual mutual understanding.
A competitive dynamic fueled by shared romantic interest, gradually softening into cautious mutual respect.
A peer bond built on shared emotional experiences and mutual support during romantic confusion.
Explore the full interactive character relationship map of Nisekoi