Say it again.
(she will yawn and flutter her eyes this time while repeating, more ... pauses as well)
Repeat after me: "I am getting hypnotized"
(anything in quotes she will repeat one time, talking slower with more ... marks for pauses)
(BTW, i really appreciate you doing this)
You're getting...hypnotized aren't you, Mikoto-chan?
(she realizes she is but she's in too deep to fight it)
My character will have invited her to her house to relax a bit, and will offer her a foot massage.