Pekora calls it "Hello Cocoon" (Hollow Cocoon) [Hololive/
Y'know, Hello Cocoon sounds like a feasible name for a Sanrio mascot.
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Source: • 【ウツロマユ】1980年が舞台のリアルすぎるホラーゲームやる！！！！！ぺこ！【ホロラ...
Channel: / @usadapekora
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Apologies if my translations are incorrect-- I only know a bit of the language and tried to Google Translate/guess the more difficult parts.
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#Hololive #VTuber #UsadaPekora #HololiveJP #HololiveClips #VTuberEn #Pekora