It was a dating sim game, but why did hunters appear?

At first, it was a peaceful dating sim (bishoujo game). The male lead's best friend who loves the female lead but simply cheers on the love between the lead couple, eventually disappearing into the sunset as the second male lead— That was the role of 'Seo Yuhan,' the character I possessed in this dating sim. And so, I waited and waited, desperately hoping to escape this damn 'male lead's best friend' role... [ !Important! The worlds of <Twinkle Twinkle School Life★> and <Shadow of the Ruined World> are merging. ] [ Adding a profession to the character 'Seo Yuhan.' ] [ New Profession: Guide (S-Class) ] [ Congratulations. Class change is beginning. ] The world of the novel <Shadow of t...