S
3    Naonobu Fujii
12 Masahiro Sekita
13 Masaki Oya

OH
5   Tatsuya Fukuzawa
14 Yuki Ishikawa C
17 Kenta Takanashi
19 Tatsunori Otsuka 
21 Ran Takahashi

OPP
1   Kunihiro Shimizu
4.  Issei Otake
11 Yuji Nishida

MB
2   Taishi Onodera
6   Akihiro Yamauchi
15 Haku Ri
16 Kentaro Takahashi

L
20 Tomohiro Yamamoto
24 Tomohiro Ogawa

https://www.volleyball.world/en/vnl/2021/men/teams/jpn-japan/players