Harem

Jason Yeager who is summoned to another world along with his classmates learned that he wields the affinity for darkness, betrayed by his lover, abused and abandoned by his classmates.He gets send to the bottom of a Dungeon where he meets Indura the Black Dragon of Darkness who took him as his son, reconstituted him into a Dragonoid and gave him the name Lucifer. Now Lucifer is on a journey to find a way back to his world, hold deep vengeance for anyone who gets in his way of doing so and along the way he meets Monster Women who becomes his wives.