✔ - Focus on Osaka Toin, Chiben Gakuen, and Yamanashi Gakuin. ✔ C:Featured Schools: Osaka Toin, Chiben Gakuen, Yamanashi Gakuin. ✔ - June 2023 edition. ✔ C:Publication Date: June 2023. ✔ C:Publisher: Baseball Clinic.