Chocola: Vanilla's older twin sister. From Kansai. She likes her master but can't quite honestly express her feelings, and doesn't notice her sister's feelings one bit. She's a little worried that her master will get taken by Vanilla, but she hates fighting so she thinks it would be okay as long as the three of them are all together. *Presently in heat

Vanilla: Chocola's younger twin sister. Her master is Chocola's master's younger sister. She's from Kansai, but due to her master's scolding, she has dropped her accent. She loves Chocola, and sees Chocola's master as a love rival, but has always instinctively worried about yearning for a male, so she might have found an answer in the relationship between the three of them. *Presently in heat

Chocola's master: Vanilla's master's older brother. Manager at a pastry shop. Recently started feeling a little guilty that he got carried away and ended up taking both of their virginity.