Seishun's Eiji Kikumaru shows up to morning tennis practice tired after staying up late at night to play Kai☆Para, a new online game. Vice-captain Shuichirou Oishi seems perplexed by the concept of an online game, which shocks his teammates. Eiji convinces his doubles partner to log onto the game later that night but fails to tell him the full name of the game, causing Oishi to play a different game instead that uses the same moniker.