The bulk update request #14353 has been approved by @nonamethanks.
create alias onii-chan_wa_oshimai -> onii-chan_wa_oshimai!
remove alias onii-chan_wa_oshimai -> onii-chan_wa_oshimai!
create alias onimai -> onii-chan_wa_oshimai!
Adds an exclamation mark (!) to the tag to reflect the title (お兄ちゃんはおしまい!) in all languages and appearances, including Wikipedia, pool #12768, the logo, manga covers, and anime. Also adds abbreviation alias Onimai (おにまい), which matches the website FQDN, official anime abbreviations, which also serves as a shorthand alias for the official English title.
Compare Bocchi the Rock!, Gochuumon wa Usagi desu ka?, and Yahari Ore no Seishun LoveCome wa Machigatteiru. for examples of copyright tags with punctuation at the end.
Compare GochiUsa as an official shorthand for Gochuumon wa Usagi desu ka?.