Ace of Diamond
Oshimeter
Synopsis
Loud, stubborn, and impossible to ignore, pitcher Eijun Sawamura loses his last middle school baseball game on a wild pitch, but he doesn't wallow; instead, he gets scouted by one of Tokyo's elite baseball programs. He shows up to Seidou High School ready to declare himself the future ace, only to find out the team is stacked with guys who are just as good or better than him, including Satoru Furuya, a quiet first-year whose fastball is genuinely terrifying. What makes this 75-episode TV series work is that it doesn't hand Eijun anything. He earns every inch of progress through practice, failure, and sheer stubbornness, and the show takes its time letting that unfold. The baseball itself is detailed: you'll learn about pitch types, batting strategy, and tournament structure almost by accident because it's woven into matches that genuinely keep you tense. Production I.G and Madhouse handle the animation, and the game sequences have real weight to them. The team dynamics carry a lot of the emotional load too. It's not just Eijun's story; the upperclassmen, the coaching staff, the bench players: they all get moments that land. If you liked the slow-burn team building in Aoashi or the grounded sports drama of Cross Game, this hits a similar nerve but with more raw competitive energy. It's a long watch, but the kind where you look up and realize you've burned through fifteen episodes on a Tuesday night.
Episode Guide
Characters
Kazuya Miyuki
Seidou's 2nd-year catcher; strategic, witty, and skilled, though his cheeky attitude can be off-putting.
Sakurai Takahiro
Eijun Sawamura
Seidou High's spirited southpaw ace, Sawamura Eijun, boasts unique pitches but struggles with control.
Oosaka Ryouta
Haruichi Kominato
Talented second baseman with pinpoint batting and amazing baseball sense, though lacking stamina; rivals his brother.
Hanae Natsuki
Satoru Furuya
A powerful, yet stamina-challenged right-handed pitcher, Satoru Furuya rivals Sawamura in Ace of Diamond.
Shimazaki Nobunaga
MANGA BRIDGE
This season covers Chapters 1-167 of the manga. Continue reading from Chapter 168.

Community Feed
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If you're a Sawamura fan, this episode is finally a small breath of fresh air after weeks of suffering hahaha
Chris remains the most reliable adult in Sawamura's life and he's not even on the team anymore. Every Sawamura scene lately feels like watching someone rebuild a house after a tornado. :3
The team really unlocked a new motivation: "win games or our coach leaves." LMFAO
Coach Kataoka training the team like he's running out of time was a huge red flag. This episode doesn't have huge action, but the emotional stakes are through the roof
The old generation vs. new generation setup is pure Ace of Diamond goodness <3 me likey
Lowkey one of the best transition episodes because it reminds you how much the third-years meant to the team
Seidou's schedule is basically a gauntlet designed by a hater. The tire has gotten more screen time than some supporting characters at this point 😭
This is one of those episodes where the progress is tiny but means everything. Chris and Sawamura scenes never miss. That's the review.
Not gonna lie, this episode is mostly setup, but the setup is cooking.
Trust the process episode. The process just happens to be painful. Not much action, but the character work carries the entire episode.
The September sky was beautiful. Sawamura's mental state was not xD
Sawamura got demoted from main character to professional cheerleader HHAHAHA
Kinda a frustrating episode, honestly. Watching Sawamura self-destruct for an entire inning was hard when you know how talented he actually is
Bro Sawamura's confidence got hit harder than any batter in this series. Every flashback to the Inashiro final felt like a critical hit
This episode felt like getting a win screen after losing your favorite save file. Seidou won, but nobody was celebrating like they actually won. LMAO
The baseball in this episode was good, but the character drama was the real focus. Every pitch felt tied to Sawamura's insecurities >_<
Watching Sawamura try so hard to prove himself that he forgot how to pitch for the team was frustrating, but that's exactly what made the episode work.
Furuya really dropped six scoreless innings and casually left the mound like he didn't just create the worst possible pressure for the next pitcher 😭
Furuya striking out Raichi cleanly is absolutely insane moment-wise
Sawamura watching from the bullpen while Furuya cooks Raichi is lowkey psychological torture 😭
Ace of Diamond
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