RaiNet Kakeru

RaiNet Kakeru is a popular in-universe media franchise. It started with a manga that serialized in LocoLoco Comics that later received an anime adaptation of which its third season is airing every Sunday at 9 AM on ToTV during the events of Steins;Gate. In the Science Adventure universe various versions of its mascot Upa, a card game named RaiNet AccessBattlers and other merchandise relating to the media franchise can be bought. Faris NyanNyan and Mayuri Shiina are both fans of RaiNet Kakeru, though while Mayuri is rather interested in its story and the Upas, Faris is more interested in the board game. RaiNet Kakeru follows a fifth-grader named Kakeru Yumehara and his friends battling viruses sent by terrorists (hackers) in cyperspace.

Characters
An exceptional hacker and a fifth-grader who transferred into Kaigyou Elementary at the start of the series. He is athletic and smart, but does not stand out too well, and first gets belittled over his apparent inability to type fast on a regular keyboard. Later he befriends Kirari and Tamaru. Kakeru is the hero of RaiNet Kakeru. A smart and athletic fifth-grader who is very knowledgeable about computers and who is part of Kaigyou Elementary's computer club. She is cute, passionate about fashion and has a good personality. She dislikes mushrooms, though. She is friends with Tamaru and befriends later Kakeru. She is the heroine of RaiNet Kakeru. A fifth-grader who is part of Kaigyou Elementary's computer club and who is friends with Kirari and later becomes friends Kakeru. Her typing skills are very good. He develops RaiNet Cards and seems to be very knowledgeable about hacking. An antagonist and hacker who is in possession of the Monster Programme "Vaios". He managed to best Kakeru with "Vaios" and successfully launch a cyber attack on the Department of Defense in Episode 1.
 * Kakeru Yumehara
 * Kirari Nishimura
 * Tamaru
 * Nagaya-san
 * J

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. Avid players of the board game are Faris NyanNyan, who has won over 400 unofficial matches, and 4℃. Both national and international official tournaments started getting hosted 2010.

In Steins;Gate
Faris NyanNyan hosted her own RaiNet AccessBattlers contest called "Faris Cup" on August 1, 2010, at MayQueen+Nyan². Those who managed to beat Faris would get from her own home cooking which led to Itaru Hashida and many others interested participating in the contest. No one managed to defeat Faris, though.

Later Faris would go to participate in an official tournament.