Ishikawa is transported to the world of Prince of Tennis, becoming a new member of the Ice Emperor Academy team. Thinking of the later, ferocious moves, comparable to the mystical killer tennis, he feels immense pressure. Luckily, the tennis mini-game he started before transmigration successfully loaded, making Ishikawa the world's only player. Daily tasks and winning matches earn experience, leveling up the character to reward skill points and five-dimensional attributes. Building character affinity grants access to tennis techniques. Side professions provide additional talents. Starting with a maxed-out [Kendo] skill, he possesses a level of kendo surpassing even Sanada Genichiro! Facing ridiculously high-level, "red-named" boss characters like Echizen Ryoma and Atobe Keigo, Ishikawa, who has maxed out nearly ten side professions, basic tennis skills, and advanced tennis skills, says, "As long as the display shows..."