Yuuichi Kobayashi

Yuuichi Kobayashi is the older brother of Megumi Kobayashi who is addicted to Online Gaming and is also a hikikomori.

He met Sato after his character, Toro Toro, became part of Sa-To's Dragon Hunting Party in the the Online Game "Ultimate Fantasy" and was later on to be revealed as Megumi's older brother after the trio was interrupted by Yuuichi's calling for his sister for food while they were requesting for a "cool off" of the Mouse Road products they have been sold.

Characteristics
Yuuichi was a parasitic Hikikomori which is Megumi's older brother, he use glasses and has a brown hair with a huge ponytail. He also feels pretty scared with the presence of people in his bedroom because of his asocial life, causing him to stay in panic. In an episode he seems to have read a lot of books, principally books about self improvement and self-help.