12. Round 05/05/2021 Zweigen Kanazawa - Mito HollyHock 2:3
13. Round 09/05/2021 Mito HollyHock - Tochigi SC 1:1
14. Round 16/05/2021 Kyoto Sanga FC - Mito HollyHock 1:0
16. Round 30/05/2021 Ehime FC - Mito HollyHock 0:5
17. Round 04/06/2021 Thespakusatsu Gunma - Mito HollyHock 2:1
18. Round 13/06/2021 Mito HollyHock - SC Sagamihara 2:0 Goal
19. Round 20/06/2021 Mito HollyHock - Montedio Yamagata 0:1 yellow card
20. Round 26/06/2021 Albirex Niigata - Mito HollyHock 0:0
21. Round 03/07/2021 Mito HollyHock - Renofa Yamaguchi 0:0
22. Round 11/07/2021 FC Machida Zelvia - Mito HollyHock 2:1
23. Round 17/07/2021 Matsumoto Yamaga - Mito HollyHock 0:1
24. Round 09/08/2021 Mito HollyHock - Tokyo Verdy 1:1
25. Round 14/08/2021 FC Ryūkyū - Mito HollyHock 0:1
26. Round 22/08/2021 Mito HollyHock - Kyoto Sanga FC 0:2
27. Round 28/08/2021 Mito HollyHock - Albirex Niigata 4:0
28. Round 04/09/2021 Montedio Yamagata - Mito HollyHock 0:1
29. Round 11/09/2021 Mito HollyHock - Blaublitz Akita 0:3
30. Round 18/09/2021 Tochigi SC - Mito HollyHock 0:0
32. Round 03/10/2021 SC Sagamihara - Mito HollyHock 4:4
33. Round 10/10/2021 Mito HollyHock - Thespakusatsu Gunma 2:1 Goal
34. Round 17/10/2021 Renofa Yamaguchi - Mito HollyHock 2:2
35. Round 24/10/2021 Mito HollyHock - Fagiano Okayama 1:1
36. Round 30/10/2021 V-Varen Nagasaki - Mito HollyHock 2:1
37. Round 03/11/2021 Mito HollyHock - Giravanz Kitakyushu 0:0
38. Round 07/11/2021 JEF United Chiba - Mito HollyHock 2:2
39. Round 14/11/2021 Mito HollyHock - Júbilo Iwata 1:3
40. Round 21/11/2021 Omiya Ardija - Mito HollyHock 1:3
41. Round 28/11/2021 Mito HollyHock - Ehime FC 2:1 Goal
42. Round 05/12/2021 Ventforet Kofu - Mito HollyHock 3:3

Koshi Osaki

Koshi Osaki
Born: 30.06.1998
Place of birth: Osaka, Japan Japan
Nationality: Japan Japan
Height: 174 cm
Position(s): Left Back
Foot: left