Kenja no Deshi wo Nanoru Kenja ~ Mira to suteki na shōkan seirei

This side story retells how Dunbalf/Mira originally contracted all of her summons before the main story began.

Mira, She Professed Herself Pupil of the Wise Man Wiki

Kenja no Deshi wo Nanoru Kenja ~ Mira to suteki na shōkan seirei-tachi ~ - MangaDex

She Professed Herself The Pupil Of The Wiseman, Isekai Wiki

She Professed Herself Pupil of the Wise Man: Mira and the Wonderful Summoned Spirits Manga

Kenja no Deshi wo Nanoru Kenja Episode 10 Release Date: More at the Child Prayer Forest - OtakuKart

Soul Howl, She Professed Herself Pupil of the Wise Man Wiki

Kenja no Deshi wo Nanoru Kenja ~ Mira to Sutekina Shokan Seirei-tachi ~ 1 – Ranker-Manga

Kenja no Deshi wo Nanoru Kenja ~ Mira to Sutekina Shokan Seirei-tachi ~ 1 – Ranker-Manga

Mira, She Professed Herself Pupil of the Wise Man Wiki