Found any facts or articles that are in Japanese, then send them to shmuplations.com!

[ProtoSnake]

An update for this Month's February:

https://shmuplations.com/shikigami2/
Castle Shikigami 2 - Developer Interview, originally featured in Official Setting Materials book
Naoki Suda - Director
Tetsuya Sasaki - Alfa Systems President

https://shmuplations.com/ketsui/
Ketsui – 2002 Developer / Composer Interview
originally featured in GSLA and was most likely featured in Arcadia:
Toshiaki Tomizawa

originally featured in liner notes:
Manabu Namiki, composer

Ketsui - 2018 Developer Interview, excerpted from the original feature at 4gamer.net
Naoki Horii - M2 President
Kazuki Kubota - Director (Ketsui Deathtiny)
Shono Fukui - Programmer (Ketsui Deathtiny)
Takashi Ichimura - Programmer (Ketsui)
Daisuke Matsumoto - Composer (Ketsui Deathtiny)
Shuutarou - Cave TV twitch channel

https://shmuplations.com/bahamutlagoon/
Bahamut Lagoon - 1996 Developer Interview, originally featured in Dengeki SFC magazine
Hitoshi Sasaki - Designer
Takatsugu Nakazawa - Planner
Noriko Matsueda - Composer

https://shmuplations.com/yokoixeno/
Gunpei Yokoi x Kenji Eno - 1996 Developer Interview, originally featured in "Eno-themed" special edition of Game Hihyou

[ProtoSnake]

An update for this Month's March:

(I helped voted for this one.)
https://shmuplations.com/shinjimikami/
Shinji Mikami – 2000 Developer Interview, originally featured in Capcom Denshi no Mouzatachi book

https://shmuplations.com/kirbynightmare/
Kirby: Nightmare in Dream Land – 2002 Developer Interview, originally featured in Nintendo Dream
Masahiro Sakurai - General Director
Eitaro Nakamura - Programmer
Teruhiko Suzuki - Designer

https://shmuplations.com/thinkingrabbit/
Thinking Rabbit - 1983 Developer Interview, originally featured in 12/83 issue of LOGiN magazine magazine