The "Three-legged Moon Seeker". Stage 3 boss of Brilliant Pagoda or Haze Castle.
A frog youkai who's one of Ogata Garaiya's shikigamis. Has the power to gather financial fortune.
Kaisen is responsible and straightforward and thus, is often irritated at Kesa Kujiru's impulsiveness. They hold their master Garaiya in high regard and often picks fights with Kujiru, since both want to be favored by their master. Both shikigami have a fierce rivalry and are often seen insulting each other. Kaisen also has a complex that they are more underdeveloped compared to Kujiru.
The following tags implicate this tag: azuma_kaisen_(frog) (learn more).