Vitamin is a series of otome games developed by HuneX and published by D3 Publisher for PlayStation 2, Nintendo DS, Nintendo 3DS, PlayStation Portable, and PlayStation Vita. The first title, VitaminX, was released on March 29, 2007 for PlayStation 2. A series of official skins were released for the PSP-3000. A special cafe event, where goods were sold, was held from January 10 to 18, 2015. A different cafe campaign was held in collaboration with iCafe the previous year.