Ōan, also romanized as Ō-an, was a Japanese era name (年号, nengō, lit. year name) of the Northern Court during the Era of Northern and Southern Courts after Jōji and before Eiwa. This period spanned the years from February 1368 through February 1375. The emperors in Kyoto were Emperor Go-Kōgon and Emperor Go-En'yū The Southern Court rival in Yoshino during this time-frame was Emperor Chōkei .
"Minihamuzu no Ai no Uta" (ミニハムずの愛の唄, lit. Minihams' Love Song) is the third single of the subgroup Minimoni. It was released on December 5, 2001 and sold 325,440 copies, reaching number three on the Oricon Charts. The group released this under the alias "Mini Hamuzu" for a motion picture version of the popular anime Hamtaro. In the film they appear as hamster caricatures of themselves.