The cover of Young Jump vol.4-5 has the seiyuu group Aqours (евепев).
They are all wearing kimonos.
There are three photo collections of Aqours in this magazine,
for a total of 18 color pages.
The first photo collection is at the front of the magazine,
and is 9 pages. Everyone is wearing kimonos for most of these photos.
There are also some photos of Aqours wearing light blue dresses.
The second photo collection is at the middle of the magazine,
and is 4 pages. Everyone is wearing light blue dresses (non-matching).
The third photo colletion is at the back of the magazine,
and is 5 pages. Everyone is wearing th winter school uniforms.
