Even Though the Hero Stole Everyone from Me, I Won't Give Up
“No,” Leon said, drawing his dagger. “I’m the one they left behind.” yuusha ni minna netoraretakedo akiramezu ni tatakao raw
You are looking for a story. To find the raw files, I recommend searching Syosetu.com using the kanji for "Hero" (勇者) and "NTR" (寝取られ). Be aware that because the title you provided is a sentence, it might be a specific chapter title or a descriptive name used by translation groups rather than the official book title. Even Though the Hero Stole Everyone from Me,
: Prioritize quests or dialogue choices that focus on breaking the mental or magical "shackles" placed by the fake hero early on. 4. Recommended Strategy Be aware that because the title you provided
That looks like a romanized Japanese title. In natural Japanese it would be: 「勇者にみんな寝取られたけど諦めずに戦うらしい」 (Yuusha ni minna netoraretakedo, akiramezu ni tatakau rashii).