Ep. 10: Keiko Visits the Beach and Attempts to Become an Otaku to Win Kohsaka's Affection
Aired on December 13, 2004

10
The club members travel to the beach accompanied by Keiko, a trip that causes significant distress among several participants. Amidst this outing, Keiko makes a decisive move to compete for Kohsaka's romantic attention. To achieve this goal, she attempts to transform herself into an otaku, adopting the specific interests and behaviors associated with that subculture. This strategic shift in her persona is driven by her desire to win Kohsaka's feelings, marking a pivotal moment in her interpersonal dynamics with the group and her rival for his affection during this leisure excursion.
Episodes
- Ep. 6 · Kasukabe studies Puyo Pop Fever to impress Kohsaka while Keiko seeks Sasahara's assistance.
- Ep. 7 · Two freshmen join the Genshiken for a night out while Kasukabe remains unwelcoming
- Ep. 8 · Ohno and Sasahara initiate a plamo project engaging the club while Kasukabe learns a lesson
- Ep. 9 · Madarame attempts conversation with Kasukabe in the club room through hypothetical scenarios
- Ep. 10 · Keiko Visits the Beach and Attempts to Become an Otaku to Win Kohsaka's Affection
- Ep. 11 · Kasukabe orders club cleanup but accident bans Genshiken from university fair
- Ep. 12 · Sasahara Proposes Comifes Attendance as New Club President