Akito Ota = Akito Osanai Kazue Kaneoka = Kazue Hiramoto ?
no evidence but i couldnt find anything about an Akito Ota and having a first credit as an lead is uncommon
theres was a Masatake Kaneoka at monolith that had to move to kyoto for "family reasons"
https://www.wantedly.com/companies/starfactory-inc/post_articles/523549
Mikiya Hosoi graduated in 2018 and possible worked in other games without credits, LABO,Mario Kart Tour ?
Noriko Kitao also, an 10 year gap and going from an 2d designer from spd to lead artist from a high end game