Benkei no Nakidokoro

Overview

Benkei, a super weapon collector and enthusiast, was deeply troubled. Beautiful weapons, powerful weapons... He had collected many weapons, but one day he came across Yoshitsune, a "beautiful and powerful" warrior. Benkei's lonely and twisted battle to prevent Yoshitsune, his favorite, from falling into anyone's hands, begins! (Source: Corocoro, translated)

Source: AniList