Their relationship

Could it be that you're Onii-sama's lover?

We've pwomised our fwutuwes to each other nya?

It-It's not like that! That's not what this is!

Promised your... future?

Could it be that you knocked her up?!

Slime!

Beast!

Brute!

Slime

Brute

Beast

Onii-sama, you came inside her without permission!?

sfx: thok thok thok

That's not what this is, Nunnally...

Youwe pwaying with him, awent you?

You really can get lots of entertainment out of messing with him

You can tell?