'What/A Kind of [Happiness].' Nanka has multiple meanings, but, that's close enough.
The opening song of the manga series Flame of Recca is titled "Nanka Shiawase."
Frederick Nanka-Bruce died in 1953.
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In spoken and rather informal speech you can say 'Nanka kawatta koto nai?' or 'Nanka kawari WA nai?'.
Shiawase Tambourine was created in 1998.
The duration of Shiawase no Pan is 1.9 hours.
Shiawase No Iro was created on 2006-12-06.
Shiawase no Pan was created on 2012-01-28.
nanka itte
kinda
Sore mo Kitto Shiawase was created on 2007-03-14.
Tōtatsu kōfuku