Targeted at women in their late teens and early 20s, Happie Nuts was highly oriented toward the style of oneh-gal ("o-neh-san gal", lit.

[4][5] It is a fashion magazine targeted to female teenagers.

[6][7] Happie Nuts spawned its special edition, Koakuma & Nuts, in October 2005, which later grew to be Koakuma Ageha as one of the highest-selling fashion magazines in Japan.

[8] In 2014 Happie Nuts was closed, but was restarted in July 2015.

Its exclusive models are called "Nuts Mates",[4] which have included Ena Matsumoto, Sayoko Ozaki, Akane Satomi, Sayaka Taniguchi, Miyu Ishima, Saki Nanba, Eriko Tachiya, Shizuka Takeda, Hiromi, Akane Suda, and Nicole Abe.