RaiNet Kakeru

RaiNet Kakeru is a popular in-universe manga serialized in LocoLoco Comics of which its anime adaptation has its third season airing every Sunday at 9 AM on ToTV during the time Steins;Gate takes place. Faris NyanNyan and Mayuri Shiina are both fans of this media franchise that is aimed at children. In-universe a card game named RaiNet AccessBattlers, various versions of the in-game mascot Upa and other merchandise relating to the media franchise can be bought. The premise of RaiNet Kakeru is about a boy named Kakeru and his friends battling viruses sent by terrorists in cyperspace, i.e. in the computer.

RaiNet AccessBattlers
Main Article: RaiNet AccessBattlers

RaiNet Kakeru has its own card game spinoff, named RaiNet AccessBattlers, in which two players compete against each other. Each player gets four "Link" cards and four "Virus" cards that they can aligne however they want on their side of the board, in the so-called "Stack Area", at the start of a game. The players additionally have four "Terminal" cards each that they can use up. 4℃ and Faris NyanNyan, both one of the top players, compete in its national tournaments.