O Maidens In Your Savage Season manga volume 6 features story by Mari Okada with art by Nao Emoto.

At the school festival, Izumi confesses his feelings for Kazusa, and like many of the other newly minted couples, the two become an item. But with the comfort and familiarity of a long-time friend comes the difficult balancing act of what intimacy means for them. Momo struggles with this, too, and must work up the courage to talk to Nina for real. The literary girls each stumble to navigate their desires, but the resolutions they reach may tear the club apart…