The initial 2021-22 national team document ("Reiwa 3rd year strengthening player") was published today (April 22, 2021) on the JSF website:
https://www.skatingjapan.or.jp/whatsnew/detail.php?id=88
Direct link:
https://www.skatingjapan.or.jp/common/img/info/2021FS210422.pdf
(I've added nationals placements, Senior and/or Junior, for the singles skaters below.)
"Special" level:
Yuzuru Hanyu S1, Shoma Uno S2, Yuma Kagiyama S3
Rika Kihira S1, Kaori Sakamoto S2, Satoko Miyahara S3
Level A:
Keiji Tanaka S4, Shun Sato S5, Kazuki Tomono S6, Kao Miura S7/J2, Koshiro Shimada S8, Lucas Tsuyoshi Honda J1/S13, Sena Miyake J3/S10
Rino Matsuike S4/J1, Mai Mihara S5, Mana Kawabe S6, Wakaba Higuchi S7, Yuhana Yokoi S8, Han[n]a Yoshida J2/S16, Mao Shimada J3
Riku Miura & Ryuichi Kihara
Misato Komatsubara & Takeru Komatsubara (Tim Koleto) S1
Level B:
Sota Yamamoto S9, Sumitada Moriguchi S12, Yuto Kishina J4/S14, Kosho Oshima J5/S18, Shunsuke Nakamura J6/S17, Tatsuya Tsuboi J7, Keisuke Kadowaki J8
Yuna Shiraiwa S9, Rin Nitaya S10, Tomoe Kawabata S11, Rion Sumiyoshi J5/S12, Ayumi Shibayama J4, Ami Nakai J6, Natsu Suzuki J7, Mone Chiba J8
Kana Muramoto & Daisuke Takahashi S2
Jingu Ice Messengers (synchro champs)