Ep. 18: Kojou and Asagi protect Sana on Vatler's boat while facing intense personal challenges.

Kojou and Asagi transport Sana aboard Vatler's vessel, the Oceanus Grave II, to ensure her safety from potential threats. However, Kojou's sense of security is quickly disrupted by encounters with Vatler's attractive young maids. His composure is further tested when he finds himself sharing a bath with Asagi, pushing his self-control to its absolute limit. This sequence of events creates significant tension and personal struggle for Kojou as he attempts to maintain his dignity while fulfilling his protective duties on the ship.

▶ Watch on Crunchyroll