Land of Abstinence [Temple Scan]

"They say you'll be cursed if you don't protect your purity…?!" When I opened my eyes underwater, I was surrounded by the lavish palaces of a historical drama. It's obvious—I've been transmigrated into a story! And since it's my favorite genre, I know the rules like the back of my hand! But… I thought I'd just fallen into a steamy fantasy, only to find out I'll be cursed if I do ★that★?! And now, in the middle of this ridiculous situation, I have to help the second male lead find love… Can I really succeed in this mission…?