The stage play adaptation of Bloom Into You has officially began its run in Japan. Performance photos of its first day were recently released. It is off to a good start.
Check out the photos below. The production’s accuracy to the original manga is just unbelievable. 
The stage play’s official website released official visuals of the cast in full costume:
Kawauchi Misato as Koito Yuu
Koizumi Moeka as Nanami Touko
Isobe Karin as Saeki Sayaka
Ishiwatari Masyu as Seiji Maki
Harusaki Non as Koyomi Kanou
Igarashi Haruka as Hyuuga Akari
Tanoue Marina as Hakozaki Riko
Tatemichi Riona as Miyako Kodama
The stage play production will have a limited run from May 3 to 12 2019. Official selling of tickets began last April 13 and priced at 6,800 JPY each. According to the official Q and A page, the play will run for estimate of 2 hours.
Yagate Kimi ni Naru or Bloom Into You was first published in April 2015 in Japan and still ongoing. It is now being released in English by Seven Seas Entertainment. The manga was ranked number 3 in a Japanese poll asking which manga series that you want to be animated next and the results were revealed during the AnimeJapan 2018 weekend.
The anime officially premiered in Japan on October 5, 2018 and ended in December of the same year. Sentai Filmworks gets exclusive distribution rights for the anime in the USA, Canada, Australia, New Zealand, UK, Ireland, South Africa, Netherlands, Scandinavia, Spain, Portugal, and Latin America. You can watch and stream the series on HIDIVE. Sentai Filmworks plans for a home video release of the anime.
Source: Natalie.mu, stage_natalie (Twitter), Ani.ME – Raven