Artist's commentary
Soft touch
I have a feeling Keine might not be very experienced, despite being a teacher, in those things. But luckily there's Mokou with knowledge and experience worth of several lifetimes, and of course the will to help her friend out. ;p
I'm actually writing a fluffy fic of the two and this is probably a scene of it. I'll upload the text as well, if I ever happen to finish it.