Kouichirou Ohyama
An image from Around 1/4, one of the productions that also features Kouichirou Ohyama.

Kouichirou Ohyama

August 2, 1985 — Osaka, Osaka Prefecture, Japan
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Keiji 7-nin
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Keiji 7-nin

2015

Idol Disqualification
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Idol Disqualification

2024

His Bad Blood
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His Bad Blood

2019

Around 1/4
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Around 1/4

2023

Is a Family Like This Worth Keeping?
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Is a Family Like This Worth Keeping?

2024