I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability 3

A New Threat from the Shadows…Between hunting monsters and forging spellbound weapons, Prince Lloyd is once again busy at work!Lloyd finds an elusive intruder in the palace grounds... Her name is Ren , a member of the mysterious Assassin’s Guild who commands a unique poison skill that gives even Lloyd trouble! Who are the Assassin’s Guild ? And what do they want with Lloyd?Includes a short story by the writer, Kenkyo na Circle!