Obanai Iguro has a crush on Mitsuri Kanroji in Demon Slayer.
Obanai's feelings for Mitsuri are a significant part of his character and are explored throughout the series. He deeply admires her kindness, strength, and positive attitude. However, his feelings are complicated by his own insecurities stemming from his family history and perceived flaws. He believes himself unworthy of her affection due to his past and the "filthy blood" of his lineage, leading him to struggle with expressing his true feelings. Despite this, his actions often reveal his deep care for Mitsuri, making his crush on her one of the most poignant aspects of his character arc.