The Fainted Hero and The Assassination Princess is a Manga/Manhwa/Manhua in (English/Raw) language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
Toto is a novice hero who has finally put together the team that he'd always wanted. And he's ready to set out on a new adventure. But Toto's new party members' actual target is... his life?!