Hikki had a recording session with gospel choir LJ Singers last week. They worked with Sam Smith too (what is not surprising since she's working with the same people who worked with him since Fantôme).

https://www.instagram.com/p/BgbAArEgb4J/?utm_source=ig_embed&utm_campaign=embed_profile_upsell_test

She will be covering Sheena Ringo's Marunouchi Sadistic again, in a studio version, for Sheena's tribute album Fruit Forbidden

https://www.utada.blog/news/2018/3/2/hikaru-utada-to-appear-on-shiina-ringos-20th-anniversary-tribute-album