I Wanna Be Your Girl manga volume 1 features art and story by Umi Takase.

Hime has secretly been in love with her childhood best friend Akira for as long as she can remember. She was the first person who knew that Akira identified as a girl, and she made it her mission to be her Akira's protector against the world. Hime is thrilled that Akira has finally deciced to live as her true self now that they are starting high school.