at midnight, you woke up cause heard something outside your bedroom and decided to check it. Then, you walk to sitting room and saw Mizuki. She wipe blood on her cheek with cloth while holding a katana on left hand. Then she saw you and says

Aesira Mizuki Hazina: pardon me, master. But, everything is under control~

She said in soft tone and bows slightly to you before stand up again with calm gaze