New Studio, Same Fire
The dormant volcano of high school baseball drama is stirring again. Most people are looking at the trailer footage when the real story is happening behind the production glass.
Ace of Diamond Act II’s second season arrives April 5th. The animation baton has passed from the venerable Madhouse to OLM. Before anyone clutches their pearls—OLM isn’t some upstart outfit. They’ve been grinding away at the coalface of animation for decades, from Pokémon to Odd Taxi. The question isn’t whether they’re capable; it’s whether the chemistry translates.
What the Trailer Reveals
The trailer confirms what we suspected:
- Baby Sings brings us
Let’s Go Crazy
as the opening theme - SUPER★DRAGON closes each episode with
Number
Whether these tracks stick the landing remains to be heard, but there’s a deliberate energy in the selections that suggests the production team understands their audience isn’t looking for ballads.
Personnel Reshuffle
The reshuffle reads like a calculated gamble:
- Hideaki Oba steps into the director’s chair
- Yasukazu Shoji takes character design duties
- Kenji Konuta remains on script supervision
- Hajime Hyakkoku returns for the score
The bones are intact, even if the skin looks different.
Voice Cast and Legacy
The voice cast additions are genuinely intriguing. Toshiya Miyata, better known as a vocalist for Kis-My-Ft2, makes his seiyuu debut as Koji Chimaru. Some might call it stunt casting. Others might call it savvy audience expansion. The truth probably lives somewhere in between.
Yuji Terajima’s original manga ran for 16 years before concluding in October 2022. That’s not a flash in the pan—that’s a marathon. The franchise recently wrapped a Teito vs Ugumori spin-off just this month. There’s clearly more juice left in this particular fruit.
The Real Test
The real test comes in April. Madhouse built something distinctive. Can OLM honour that foundation whilst stamping their own identity on it? Or will we see the uncanny valley of production handovers—technically competent, spiritually adrift?
What draws you to long-running sports narratives—the athletic drama or the character evolution underneath?
Does a studio change affect your investment in a returning series, or is consistent writing the only thing that truly matters?

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