Resized to 94% of original (view original)
Artist's commentary
Miho and Erika-dono are taking some sort of test!!
...I drew this because I thought that Kanne-chan's clothes looked like Ooarai's color scheme!
Erika-dono's hair color was similar, so I added her as well...!
Source: https://twitter.com/momijikouyo203/status/1762140079471087690