The album includes Aragaki's previously released singles "Make My Day ", "Akai Ito", Piece and "Utsushie". It was released in three formats: CD+DVD standard edition, limited edition A, which has an illustration cover drawn by Aragaki herself and comes priced at 2,000 yen, and limited edition B, which comes with a bonus CD that includes acoustic renditions of the album tracks. The standard edition DVD includes four music videos as well as making footage of the album.
Hug debuted on the daily Oricon albums chart at #3 with 5,897 copies sold. It peaked at #5 on the weekly charts with 22,540 copies sold, making it Aragaki's second consecutive album to debut in the top 5. The album peaked at #30 on the monthly albums chart and was the 216th best selling album of 2009.