|Gender||Male or Genderless|
|Species / Type||Monster|
Rain Monster is a monster that appears as Fuyuki's childhood drawing. However, it escaped from Fuyuki's memory and into the physical world.
Rain Monster is blue with an umbrella on its head and has yellow beady eyes.
Rain Monster is very quiet but shows emotion after Fuyuki tells it to leave.
- It can summon rain
- It can also summon lightning