Setsuka Soga

This character is Genzō's older sister, introduced in the anime around episode 26. She plays a crucial role in the story by intervening to protect Megumi when her brother attempts to manipulate her. She is deeply impressed by Megumi's positive influence, witnessing his transformation from a delinquent into someone charming. Her primary desire is to be affectionately addressed by Megumi as "Onee-san."