Succubi Ally!

Masato is an unemployed virgin who has always dreamed of contributing to the greater good, though he fears that opportunity will never come. His life changes when two sisters, Tomoe and Ayano, approach him on behalf of a succubus organization in desperate need of pure human blood. As one of the last remaining pure-blooded humans, Masato possesses an essence of immeasurable value to their kind. Hired to provide his vital energy directly to these supernatural beings, he must now navigate a demanding new role where his physical contributions are essential to sustaining the succubus population. Once introduced to the wider succubus community, Masato faces the challenge of maintaining his resolve while being pushed to his absolute limits. Aided by the unique properties of succubus saliva, he finds himself perpetually prepared for his exhaustive duties, transforming his lifelong aspiration into a reality of constant service. This extensive adult manga chronicles one man’s dedicated effort to satisfy the needs of succubi-kind, featuring a cast of endearing characters and over 230 pages of intimate encounters that test both his endurance and his commitment to this unusual calling.