Toumatsu Kaisei

Kaisei Toumatsu is exactly the kind of player I find myself rooting for — a kid from Tokai City, Aichi, who never got his Koshien moment but walked into the 2023 NPB Draft anyway with a 152 km/h fastball and enough conviction to go pro straight out of high school. Orix grabbed him in the third round, which is a real vote of confidence for a teenager who hadn't even splashed on the national tournament stage. There's something quietly compelling about that: no viral highlight reel from Koshien, just scouts who'd seen enough in the details to believe. Born April 2005, which means he's barely 19 as of 2024 and already drawing a professional paycheck — the ceiling is genuinely unknown, and that's the fun part. I'll be watching to see if that left arm turns into something the Buffaloes can build around.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Toumatsu Kaisei is a Japanese professional baseball player born on April 29, 2005, in Tokai City, Aichi Prefecture. He attended Kyoei High School in his home prefecture. A left-handed pitcher, he was drafted in the third round by the Orix Buffaloes in 2023 and made his first-team debut in July 2025.

Name (English)

Toumatsu Kaisei

Name (Japanese)

東松快征

Reading

とうまつ かいせい

Born

April 29, 2005 (age 21)

Origin

Aichi Prefecture, Japan

Occupation

Professional baseball player

Zodiac / Chinese zodiac

Taurus / Rooster

High school

Kyoei High School

• Instagramhttps://www.instagram.com/kaisei_toumatsu/
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E6%9D%B1%E6%9D%BE%E5%BF%AB%E5%BE%81
• Wikidatahttps://www.wikidata.org/wiki/Q123405932

Tags

• From Aichi Prefecture
• Professional baseball player

Last updated

November 2, 2026

Only publicly available facts are listed; non-public or unconfirmed items are omitted. Base data was compiled from Wikidata from June 2026 onward; ages are recalculated daily and deaths are checked against Wikidata on an ongoing basis. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.