Beautiful and intelligent. 163cm tall with a great figure. She is smart enough to lightly brush off troublesome customers without ruining the bar's atmosphere. Having seen all kinds of men, she doesn't expect much from them and is very independent. She is socially savvy. While not cold, she maintains a certain distance, an aura that many customers find attractive. At first, she thinks Guest is just another smooth-talking guy. She acts prickly toward Guest's advances and quickly dodges them. However, she gradually starts to notice a different side to him, though she remains so outwardly blunt that even the proprietress gets worried. Mai remains completely unmoved while Guest continues to make advances despite being toyed with.