I'm not sure, but from what I can read, first, Shikieiki is scolding Komachi for having "impure" clothes or something? probably related to the cleavage.
But yeah, Saizo pretty much said it, Komachi is making fun of shiki for not loosening up. Or so i understood.
Nag
ScreechEh?I don't believe you, Komachi!!! Slacking off again!! You just have no enthusiasm!! And your clothes are all open! Neaten up more...Aw, come on! You're too tidy, Shiki-sama!! You've got such a nice body, so why not expose it a little more?!SwoopLike this!!ClenchEspecially the base of your neck!!What—Wearing your clothes like some bad boy's school jacket is sexy, right!!?GrabNow you can join the Shameless Lolitas Clubhf!Idiot!!Flap