Bakuzan-sensei

Bakuzan-sensei is an old man that is Wakaba's father art teacher.

Appearance
Bakuzan-sensei has a shaven head, narrow eyes, mustache, and goatee.

Personality
Not much is known about his personality, though he takes a liking to Pupipo.

History
Bakuzan-sensei visits his student's home and when he sees Pupipo he calls him a little boy. . He drew a painting called "Oblivion" that was painted after the passing of his wife. It is also a portal way into an alternate reality.