Improper Hero

Why am I in the Demon King's City? Because I am a brave man But I'm not here to kill the Demon King; I came to join her. —— Funny different world novel —— First person, short and medium stories. Venomous female warrior x tsundere beauty devil —— Following the Demon King, I have five days off, two days off and annual leave, so why not join Lilivis Demon King Co., Ltd. As soon as possible! (?) —— The cover is still drawn by the author, and the words are written by friends. Intention: also love