2 Point 5 Dimensional Seduction GN Vol 11 (MR)
The student council holds a cosplay café for the culture festival and Vice President Marina reveals herself as an otaku on the café stage. Her mother is shaken by the news, but she comes around when she sees the way Marina lights up when she's cosplaying and dancing. After the festival, Marina stops by the manga club. What could it be about?! The path of otakudom is turning into a maze!