18+ Mitsumei: Onegai♥Daniel Gaiden

The year is 1944, and Daniel is the newest recruit aboard Japan's flagship submarine, the I-404. He's eager to be helpful, but it seems his role among the all-female crew is a rather unique one. And what role could be better suited for a shota-esque male lead surrounded by battle-hardened, sex-staved women?

(Credit: MU)