: You could structure your post like this:
Kudo originally entered the entertainment industry in June 2020 under the exclusive stage name Haru Ito (伊藤はる). After a very brief initial run and a sudden hiatus, she transferred management to the Zeal Group.
: After a brief hiatus, she transferred to the Zeal Group in 2021 and resumed her activities under the name (previously Haru Ito). Miho Tsuno's Activity