DDLC is "Doki Doki Literature Club", a free-to-play Visual Novel that's blown up on Steam forevents that occur within game. Monika is a character that shows up in the game, and is the president of the Literature club along with 3 other members: Natsuki, Sayori, and Yuri.R6S is Tom Clancy's Rainbow Six Siege, which is a recent 1st person tactical shooter that's garnered popularity for its playable operators, which are as diverse and unique as operators can possibly be. One of the Operator's in-game is "IQ", a female operator attached to GSG9 along with "Blitz", "Jager", and "Bandit". Her real name is "Monika Weiss", and you get the picture from there