...Yeah, I'm always mixing up left and right like that. I'm directionally dyslexic, it seems. Thanks.
And there are differences in the last two panels of the other strip, as well, though they're more subtle (compare the movie posters and the game screen).
Want some?Ah, okay okay, thanks for the food.*boing!*Yeah...but isn't it a little showy?Wanna play?Wanna watch?*boing!*What the- you're asking to hang out?Ah, Madoka did you change your ribbon?You're too cute! I can't let you become popular with the boys! You'll have to become my wife!Kya! Kya!Come along with me!
"面を貸せ! (tsura wo kase!)" or "面(を)貸しな! (tsura (wo) kashina!)" is a rude idiom.
It's a way to say "I want to talk to you, keep up with me" or "I challenge you to a duel!"
Wait a sec, what is this? A date?...Erm, I suppose...