Eijun Sawamura

Eijun Sawamura is a left-handed pitcher and central protagonist of Ace of Diamond. He enters Seido High after a scout recognizes the unusual movement of his pitches and aims to become the team's ace.

Eijun Sawamura's pursuit of the ace number

Loud, optimistic, and highly competitive, Eijun turns mistakes into motivation even when stronger pitchers overshadow him. His desire for the ace number gradually becomes a commitment to supporting the whole team.

Moving fastballs, the yips, and rivalry with Furuya

Sawamura uses deceptive moving fastballs, precise inside pitching, and a growing set of numbered pitches. His rivalry with Satoru Furuya, partnership with catcher Kazuya Miyuki, and recovery from the yips shape his development into a dependable starting pitcher.