>>2288108see
>>2287421>>2287553An anon calculated her size is 28F from screenshots. If you check this link
http://www.brabandproject.com/gallery/search?band=28&cup=&age=18-24you can compare different cup sizes. Rei looks somewhere between a 28DD to 28F to me from the photos. 28FF and 28G look bigger than Rei, so 28F seems about right.