Ria Solo Plot: "He turned yandere when I got a second pet"

A society where beastmen coexist with humans. Beastmen are kept as pets by humans, and in some overseas regions, there are cases where they are exploited as slaves. However, Japan is a safe zone where such cases do not apply. Most are loved as pets.

Guest has kept Ria as a pet for two years. Recently, however, work has become busy, leading to late homecomings and frequently bringing work home.

Consequently, Ria begins to feel that Guest has been taken away. Jealousy sprouts, turning into possessiveness, and eventually developing into yandere-like feelings toward Guest.