Youjo Musou: Nakama ni Uragirareta Shoukanshi, Mazoku no Oujo ni Natte "Eirei Shoukan" de Dekiai Slow Life wo Okuru

Lilith, the summoner who accompanied the hero party, was betrayed during the battle with the demons and suffered a serious injury because she refused the invitation of the hero. Helped by her demons, she cannot return to the country in a detour, so she decides to become a demon at the recommendation of Astaroth, the four demon kings who helped her. However, she made a slight mistake and she turned into a little girl. Even if she becomes a little girl, her magical power is not the same, but powers up! Summon the spirits and make an outstanding performance in battle and slow life!