Sumomomo Momomo

The Maid Has Come! (1x19)

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A woman claiming to have been fired from being employed as a maid arrives at the apartment building. where Kōshi is currently staying. She initially comes off as a kind and helpful person but soon reveals to Momoko that she is an assassin who has come to kill Kōshi. Momoko tries to plead her case to the others, but no one will believe her.