Meilekki

Otaku Meilekki was a Battle Maiden who left her family as the ronin Meilekki, becoming the loyal companion of Kitsuki Kaagi.

Training
Meilekki was trained in the Battle Maiden school since her thirteen birthday, when she was bond with her own Otaku Steed. Meilekki excelled at her training, and by the time she was sixteen, she was at the top of her class, having achieved the second technique of her school.

Steed's death
Meilekki alongside her companions aided to stop a fire broke out near her village. The headstrong girl did it too close to the fire and her steed took in too much smoke, tumbled and died.

Ronin
Heartbroken Mei left her clan. In her wanderings she met Kitsuki Kaagi, a Kitsuki Magistrate who investigated the Lying Darkness and its activities. She saw in Kaagi some of the idealism she had escaped, and protected him from his own notions.

Kaagi's Fate
When Kaagi sent her away, she followed him instead. Unable to pick up his trail, she began the journey back to Kitsuki Castle. When she encountered a peasant boy carrying Kaagi's journal she bribed him. She read just enough to understand what's befallen Kaagi and returned the journal to Kitsuki Castle, and continued her search for him.