dmm
Short for Digital Media Mart. A Japanese internet and electronic commerce company started by Kameyama Keishi on November 17, 1999. Well known for hosting a large number of gacha games, a number of which have optional elements of an eroge.
They also have a subsidiary named the DMM Dream Club, which sells shares of ownership of racehorses (一口馬主; Hitokuchi Banushi) to fans, the most successful of their horses being Loves Only You.