Deep-Sea Prisoner

History Claim

Japanese video game designer

Deep-Sea Prisoner (海底囚人), also known as funamusea, is a Japanese video game designer, developer, mangaka and VTuber. Her works include Mogeko Castle, The Gray Garden, Wadanohara and the Great Blue Sea and Ice Scream. Her YouTube channel, funamusea Ch., had about 48,600 subscribers in December 2025.

Deep-Sea Prisoner’s social media accounts

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