kappa is a yokai that likes cucumber and dosen't have mouth (maybe).
friends[]
- kejoro
- yuki onna
- rikuo nura
- aotabo
- kurotabo
- ryota neko
- natto kozo
- yokai's
- and many more...
appearance[]
he appears to be human in the episode that when rikuo first met tamazuki. and the others episode is usual. yokai.