|Also known as||Toro-toro|
|Anime||Ep. 15 (in game), 18 (in real life)|
|Manga||Ch. 11 (in game), 15 (cameo)|
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.
|Tatsuhiro Satou • Misaki Nakahara • Kaoru Yamazaki • Hitomi Kashiwa|
|Megumi Kobayashi • Akira Jougasaki • Yuuichi Kobayashi • N.H.K. Agents • Shizue Satou • Makoto Minegishi • Nanako Hidorikawa • Yuu Kusano|