Genshiken follows the lives of a group of college students drawn together by their shared hobbies, and the trials and adventures associated with being otaku.

Genshiken Nidaime ("Second Generation") is a continuation of the previous series, with chapter numbering starting at 57.
(https://bato.to/comic/_/genshiken-the-society-for-the-study-of-modern-visual-culture-r961)

Spin-Off:

> Ramen Tenshi Pretty Menma
(https://bato.to/comic/_/ramen-tenshi-pretty-menma-r6171)

Alternate Story:

> Spotted Flower
(https://bato.to/comic/_/spotted-flower-r2152)