Yoshino is perhaps best known for penning the story and scripts for the original anime My-HiME and the spinoff My-Otome, in addition to penning the manga adaptation for the latter.
Yoshino has written scripts for numerous anime, and wrote the story for original anime such as Macross Frontier, Sound of the Sky, Vividred Operation, and Izetta: The Last Witch.
He has also written the scripts for the long-running anime adaptation of the Strike the Blood novels.
The manga centers on Tamaki Toriyama, a girl who has so far failed at finding a job, but inherits her grandmother’s nursery school.