Mikako is well known for aggressiveness towards Tomoki also she always torments him. She comes up with very perverted things get him to do what she wants (eg.The snowball fight) she made this event to get the boys to do whatever she wanted. Mikako is very obsessed with violence and says that Astraea was her student and tried to teach her how to eliminate Tomoki, she is also very sadistic. On rare occasions, Mikako has shown a concern and emotional understanding of Ikaros when she orders Ikaros to drop Tomoki into the sea with the intention of Ikaros revealing her feelings to Tomoki.