Touko Deguchi

Touko is one of the girls, including Hikako Kirai and Aki Hikarizato, that School: Live Club and Ruu Wakasa encountered after fleeing from their unnamed pursuers. As the Fallen Crew club president, her job is to make everything, and anything they do, fun.

She is the Leader of the "Degeneracy Club", later Renamed "The Circle", and is the most notable Gamer in the series, even getting yelled at in Vol.10 for "spewing her Gamer Brain" onto others.

(Source: fandom.com)