Baseball sports manga by Terajima Yuuji.

For the [[playing card]], see [[ace of diamonds]].

h4.External links

* "Wikipedia":[https://en.wikipedia.org/wiki/Ace_of_Diamond]
ダイヤのA[エース] ダイヤのA A【腐】 diamond_no_ace ace_of_the_diamond daiya_no_ace