Kuzuryu Karina

- A girl who actually phobia towards animals because of a targedy

- Never show any emotion to anyone unless the person manage to break her wall

- Always with her mp3 player

- For some reason, always staring at Keito while working

Yamada Ryosuke

- Karina's childhood friend

- Huge love of animal

- The one that make Karina work at the pet shop

- He has hidden reason why want to work there

Rin Walker

- Silent but protective girl

- She always cover her face while working

- She always make the previous worker in that pet shop get fired

Okamoto Keito

- Rin's brother

- Gentleman but somehow, naive

- Best friend with Ryosuke