Tensura
Shizu (TenSura)

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Shizu, formerly called Shizue Izawa was a friendly and kind adventurer who was a good teacher to her Otherworlder students. She cared a lot about people close to her and would go to great lengths to protect them. Shizu hated her power comparing it to a curse rather than a gift. Due to killing her friend, she became detached and it wasn't until meeting the hero that she regained her smile.
As Shizu was an Otherworlder who was forcibly summoned she hated the world but at the same time couldn't dislike it either as the bonds she made were also important to her. She was also noted to be a very strict teacher to the point of her earning the nickname "The Demonic Head Instructor". Shizu acted as a mother figure to her students and was constantly worried for their safety and wellbeing particularly, Hinata.