Baseball Heaven por BabySuzu

The characters are Ogata (brown hair) and Uno (lighter hair).

These images were found on the Google search and are from "Baseball Heaven"; Yakyuu Tengoku (manga) by Mamahara Ellie.
--------------------
"Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use."