As found on twitter:
Among the few sample images we have the J-20, which is based off of the actual J-20 PRC fighter that is meant to equate to the F-22. Based on the available content however, this seems to double as a joke article book similar to the F-35. Some weird BETA designs and some KanColle theme armors.
Seems to be a doujin by group IMOZO, but with support from official sources like TE monkeychop artist. Kouki retweeted it which is the only reason I noticed.