He has all the resistance of a dress-up doll. She's handling him however she likes. I wonder if onee-chan will fix him a new cute outfit for the home visit.
Taking the time to draw a panel taking the socks off but not showing feet is proof that the artist hasn't quite gotten their anatomy down yet. Still cute.
I feel like her removing the sleaves and coming up with a random justification just to have easier access to his pits would have been the first indication in this chapter