Isekai H Eiyuuden ~Bishoujo Senshi-tachi wa Saikyou Gunshi no Muchana Onegai ni Sakaraenai~

Story:

Noa Zuiho, a second-year high schooler with amazing tactical analysis skils, is brought to another world! In order to save this other world from monsters, the goddess gives him the Power of Wisdom, which increases his tactical insight through... erotic actions?! In an epic war between humanity and monsters, who will prevail? A brilliant strategist rises — with unorthodox methods and adult incentives to motivate his all-female army!