User:Ltiler/List of Happy! chapters

Happy! (ハッピー!) is a sports manga written and illustrated by Naoki Urasawa. It was serialized in Shogakukan's seinen manga magazine Big Comic Spirits from 1993 till 1999. Shogakukan collected individual chapters in 23 tankōbon volumes. The first volume was publised on February 28, 1994 and final twenty-third on May 29, 1999. The story of manga is about a teenage girl Miyuki Umino who embarks on a career as a professional tennis player to repay an enormous debt incurred by her brother to Yakuza loan sharks, with the threat that if she fails, they will force her into a life of prostitution at a soapland.

Shogakukan also published fifteen kanzenban volume with individual titles. The first volume was published on December 25, 2003 and fifteenth on june 30, 2004.