Majo no Geboku to Maou no Tsuno
Alternative title: A Minion of a Witch and the Horn of a Demon King, The Witch's Servant and the Demon Lord's Horns, The Witch's Underling and the Demon King's Horn
Story Overview
The witch Vivian is passing on, and she asks her student Betty to set up the main medication who can spare her. Be that as it may, to get a hand on the fixings it won't be simple... Since the first of them is a horn of the evil spirit ruler King Bull, and vanquishing him can involve life and passing. And every one of them are that way.