Yeah, I thought they were embarrassed by the intensity of the kiss rather than "merely" the tongue insertion.
Is that his girlfriend...!?Is-...Wha!S-She's' putting her tongue in!Adult kiss!!Thank you, Ookuma... you saved me.This is too much for us!I never thought I'd get hit on by girls...You didn't have to do something so bold...But... you could have just said something to shoo them away...