Miyagi is the homeroom teach of class 3-2 as well as the English teacher.
Miyagi is never seen in the game, nor does she have dialogue. She is only mentioned.
In 2010, Suriko did a Secret Santa project for Aura told from Miyagi's point of view. In this story we find out she runs the school's astronomy club; she had to fight Mutou for the position. She also smokes Lucky Strikes cigarettes.
Secret Santa Page (Miyagi's story is number 2)
The name Miyagi (宮城 ) means shrine fortress.
- Miyagi shares the name with japan's Miyagi Prefecture. as katawa shoujo is said to take place in Sendai city, the capital of miyagi.