^^ by going off what you said then I would imagine it to be and also not knowing who these are: "You have great oral hygiene." "Good job for brushing your tongue as well"
^^ The 2:59-3:00 AM is the devils hour and it is believed that 3 AM is when strange things happen between two dimensions, if you go to YouTube and look up "3 AM videos" then you'll see a bunch of people making "scary" content within that hour
^Basically she's another side character in the anime such as Iroha and Asaki, really Idk who she is until I looked her up she's like part of the LL "tiro"