星ヶ丘 まどか

Touma's childhood friend who grew up together with him. They are best friends who treat one another as siblings, and neither has any experience in love. When Touma is betrothed to Serika by circumstance, she objects to their marriage and her attitude towards him changes.

"Childhood friends who marry each other is... like fate, isn't it? I-I'ts not like I'm saying this about us! Idiot!"