Masato Horiuchi's X (formerly Twitter)
👉 https://x.com/horihori0104
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📩 For business and guest appearance requests, please contact us here
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Please feel free to contact us regarding product and service promotions (consultations on tie-up videos), event appearances,
media appearances and collaborations related to mahjong and poker, etc.
We will sincerely approach a highly enthusiastic audience, primarily mahjong and poker fans.

Please contact us via the email address below or DM on X.
Business email: horihori19850104@gmail.com
*Please include "[Project Consultation] Company Name (or Service Name)" in the subject line.

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📚 List of books by Masato Horiuchi (System Mahjong/Tactics Books)
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■ Mahjong: Impregnable Defense
https://amzn.to/4eprGJJ
■ Mahjong: Extremely Difficult "What to Discard?" Problem Collection
https://amzn.to/3SqqjDm

■ Horiuchi-style System Mahjong: What to Discard? What to Call? Problem Collection
https://amzn.to/4vMCqck

■ Living by Mahjong
https://amzn.to/3Suy3UV

■ Lightning-Fast Mahjong: Horiuchi System 55
https://amzn.to/4xy6N87

■ Mahjong Kirinji's One-Hit Iron Call
https://amzn.to/4aS0t1n • Horihori's Room Masato Horiuchi Subchannel @堀内の小部屋
• Twitter → Twitter: horihori0104
• Facebook → Facebook: masato.horiuchi.18
• note → https://note.mu/horihori0104
• Book (eBook) (Book) "Mahjong Kirinji's One-Hit Iron Call" 518 yen (tax included)
https://www.amazon.co.jp/%E9%BA%BB%E9...