Konosuba: God's Blessing on This Wonderful World!, Vol. 9 (Manga) - Natsume Akatsuki

When the Demon King's forces attack, Kazuma attempts to escape on his own, but he runs into Sylvia and ends up getting taken hostage! Unable to resist his voluptuous captor, he considers defecting to the Demon King's side... After escaping a tense one-on-one situation with Megumin, Kazuma's thrown right back into the fire when the Demon King's army attacks Up against Sylvia, one of the army's fearsome generals, he doesn't stand a chance However, once she's taken him hostage, he's all too happy to remain tied up with her. That sentiment won't last very long, though...