What did the baseball hero peony write on a piece of paper posted on the wall of Shangshan's house?

Original text: "めざせカぢゃん Koshien! Minami Asakura "

China people: "Harmony also aims at Koshien! Minami Asakura "

Directly corresponds to:

めざせ-target

カぢゃん-and this is also a nickname, Uesugi Kazuya (ぅぇすぎかずや).

Koshien-Koshien

Minami Asakura-Minami Asakura