@
whatkind
It's the same person. They also designed Sangatsu no Phantasia's last album, being credited as (Sony Music Communications) back then:
https://media.vgm.io/albums/29/83392...1555426604.jpg
They were added to the BALCOLONY website between Feb 2020 and Jan 2021:
https://web.archive.org/web/20200102...ony.com/about/
That is consistent with them leaving Sony Music Solutions ~mid-2020.