/r/ all of the Kagaposting pix [spoiler]And maybe a Telegram sticker pack, unless one doesn't exist yet.[/spoiler]
I'll dump some but here's pretty much all the original artists stuff when it comes to these images: https://danbooru.donmai.us/posts?utf8=%E2%9C%93&tags=rebecca_%28keinelove%29+chibi
Also here's a transparent version of >>52302
>>52313
>>52314
>>52328
>>52330
Well those are all the English ones I have. Again, all the others that aren't in English are here. >>52313
Oops.
Found a bunch elsewhere, already made a sticker pack. http://telegram.me/addstickers/KancolleSleep
>>52372
Removed a couple of white background ones and added transparent versions. No idea if it updated or not.
>>52376
Yup, updated.