All the fangirls and fanboys in the final panel are friends of mine.

– And now for something completely different…

– Today’s karaoke will be a rather unusual one.

– We’re singing the real lyrics, not a parody.

– Unfortunately, we have no idea who wrote this song, so we can’t give them credit…

– …but that’s okay, because it’s public domain anyhow! A-one, a-two…

Happy birthday to you!
Happy birthday to you!
Happy birthday dear Erin,
Happy birthday to you!

[birthday girl doujinshi-ka]