Is Happy Mania Finished? Yes — Complete in 11 Volumes
Yes — Happy Mania is complete. It ended in Japan with 11 volumes; the final volume came out in October 2001.
Everything below reflects the Japanese edition — the source of truth that runs months or years ahead of English releases — computed from official publication records.
Volumes in Japan: 11 (latest: ハッピー・マニア 11, 2001-10)
Next volume in Japan: not yet announced in Japan.
Status: Yes — Happy Mania is complete. It ended in Japan with 11 volumes; the final volume came out in October 2001.
Serialized since: 1996
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