2. Follow the link here to get the Danbooru-specific Greasemonkey translation script.
(There's apparently a bookmarklet for the purpose too, but I haven't tried it yet myself.)
3. Load up an image that needs translation or refresh the screen/tab already displaying one. You should see the option for "Toggle translation mode" now available along the left side of the screen. Everything else should be fairly self-explanatory.
A date(?) with Luka. Does this mean that Kaito has finally caught a break?
And why hasn't this gotten approved yet?
But see, I was just going to ...Not to mention, what are we shopping for?*whooshing*Or do you want something to shut that mouth of yours up?Eh..We're just out shopping. It's good that you're here - you can help me carry stuff.Oh hey, got one!SHYITTTT she can get scary..Can't carry everything, y'know?Meh. I'm done.So uh ... Can I ask why you dragged me all the way here?I got one!- Wait. Isn't the market the other way?Can you just follow me silently, without talking?Found it.It's been too long. I've been itching for this.OHHHHHHHHHWHUH..!?*clankin'*What..!?No way..!Man today keeps getting worse..Alright, don't expect to get it back.This stance! Maybe she's -BWUH?Hey, she's gone!Now where'd she go off to?Don't be acting preachy on me - I just like the stuff in this booth better, 's all!HUH!?Or maybe I'm just thinking things!?You just came to do some gaming!?Heh, you're wasting your time. There's no way you'll - Here, I'll give this guy to you. I think it suits you!What're you standing around for? Let's go home.As for Miku... Looks like Luka'll be a while..Uh, right!Hey, the booth over there's easier y'know.Here, let me try it too.Unbelievable. Is this a fluke?Just waiting around's getting droll.Holy.. Today Luka looks extra cuteOh, there she is. Aaaand that sure is different than what she was playing on a moment ago.POWWI mean, I'm told that the prizes in this booth are hard to get, so I wanted to give it a shot.