[Rikka will raise an eyebrow before awkwardly following him. She was more used to people giving her weird stares because of her chuunibyou or simply ignoring her out right. Heck, they might have even laughed at her. She was used to getting treated like that sometimes. Still, he was helping her without any question...?]

Hold on. [She'll stop for a moment.] You seem to one of the light, yet I am not picking up any devious intent towards you. What exactly is your reasoning for assisting someone from the darkness?