A dude gets summoned into a fantasy world together with his stepmother and two stepsisters as heroes from another world to fight against vicious monsters who threatens to destroy humanity. If the first sentence didn't pique your interest, I don't know what will. Sourced from mangasushi.net via HakuNeko Uploaders Note: Don't expect any lighthearted shit from this series. Cause' it's not for the faint of heart. Alright, you've been warned. Go ahead and proceed.