Hidabat

Appearance
Hikikomori is a bat yokai. His fur is dark except for a yellow gold collar. He has blue wings with orange "#" symbols on them. His wings are actually supported on his arms, and move with them thanks to a band on his palms.

Personality
Hikikomori likes to be in dark and secluded places and is usually seen on a laptop.

Relationships
After Keita befriends him, Hikikomori starts to live in his closet. He considers Jibanyan as his friend and roommate.

Abilities and Powers
Those who are possessed by Hikikomori become gloomy, and have a strange need to seclude themselves in the dark.

History
Hikikomori first appears when he possess Jibanyan, causing him to lock himself in Keita's room. While trying to get Keita's soccer ball, Whisper hears an ultrasonic frequency. He then reveals that it is Hiikkomori that is responsible, so they have to help Jibanyan. After a few failed attempts, Keita finally forces Jibanyan out with the help of Honobono and Donyorinne. As Jibanyan tries to get back in, Keita frees him with the help of Morezo, revealing Hikikomori. Hikikomori tries to possess Jibanyan again, but Keita stops him. Then it is revealed that Hikikomori is having a hard time finding a place to seclude himself because it is too bright outside. Keita then offers Hikikomori to stay in his closet, which he happily accepts.