一瞬外に出た隙にエレベーターがメンテナンスになり、別の入り口から建物に入ろうと試みるも暗証番号を覚えてなかったときの夢見りあむ

Yumemi Riamu when the elevator went into maintenance while she was outside for a moment, and she tried to enter the building through another gate but didn't remember the passcode