When I Was Reincarnated In Another World, I Was A Heroine And He Was A HeroTensei Shitara Ore ga Heroine de Aitsu ga Yuusha Datta ; Tensei Shitara Ore ga Hiroin de Aitsu ga Yuusha Datta ; When I Reincarnated, I Was the Heroine and He Was the Hero ; 転生したらオレがヒロインであいつが勇者だった