Blondie's Best Friend (bonus-nsfw)

I made this one after finishing the "From Boss to Blondie" strip :p
https://www.patreon.com/posts/from-boss-to-29188986

But timewise... this happened before the last panel from that comic,
I'm sure Blondie was already pretty familiar with it at that point O.o 

mirror: https://i.imgur.com/jSwKn4i.jpg