勇者VS淫魔～チートアーマー脱いだら終わり～

The protagonist is reincarnated into another world with the mission to defeat the Queen of Lust, embarking on a grand adventure!

With his cheat armor, he can blast away any enemy with just a touch!
Without the cheat armor, he's just an out-of-shape Earthling and will lose to any enemy!

[From DLsite]