Is this official or a doujin?

doujin i believe, the style isn't exactly Toriyama's. plus it's a little risque for DB.

Dragon_Samurai said:
plus it's a little risque for DB.

Are you forgetting Bulma's infamous flashing scene, perhaps?

name of doujin anyone?

I love Goku's expression here. It's like he's thinking "Well how's Chichi going to cook dinner dressed like that?"

TornadoXIII said:

I love Goku's expression here. It's like he's thinking "Well how's Chichi going to cook dinner dressed like that?"

I'd think Goku knows what he's doing. That's why she's still daydreaming about him years after he's gone