Reborn in the Prince of Tennis world, you begin with the Three-Tama Sharingan. Three-Tama → Mangekyō Sharingan → Eternal Mangekyō Sharingan. On your first day at school, you challenge the Seigaku prodigy, "Your tennis balls are no match for these eyes!" Three-Tama is just the starting point; the path to the Mangekyō, and ultimately the Eternal Mangekyō, has begun! The title of tennis's strongest will be born from these all-seeing Sharingans...

Beichen Xi, a boy shrouded in mystery, hails from the mythical and legendary land of Huaxia. He's widely hailed as the most likely candidate to win the world's junior tennis championship. He loves tennis, yet he's never seriously challenged his opponents. He loves competition, yet he never lets his opponents score a single point. He loves a challenge, yet he exploits his opponents' strengths. －－－－－－－－－...[A little confusing]

Synopsis of the novel *Diamond Ace: The Magic Pitcher Savior*: Written by Flying Bear Knight, the novel tells the story of Li Lei, who encounters a mysterious father and son on a bridge, thus beginning his journey as a magic pitcher. This is the most terrifying pitcher legend in Koshien history… and also the most legendary underdog story in Koshien history! …