Cave Story: Doctor's Trick

Just some random cave story kuso...

*translation may chinglish*

[1]

[2]

[3]
Doctor: Hey Balrog, wanna see my trick?
Balrog: DO WANT!

[4]
Doctor: Watch carefully...

[5]
Doctor: BIG BUTT!!!

[6]
Doctor: WHOOA!
Balrog: Waaaaeeee! BIG BUTT!
Misery: Why are idiots around me...