I used 3 sources to make this:

https://nyaa.iss.one/view/1378397 for en audio (I liked this source more for the en audio)
https://nyaa.iss.one/view/1378407 for the video
https://nyaa.iss.one/view/1378274 for jp audio

Have fun

Here is the mediainfo
General
Unique ID : 69944765640374511849579650588906331145 (0x349EDF323772F3A4BD07A187AF9F9C09)
Complete name : Demon Slayer -Kimetsu no Yaiba- Mugen Train Movie [1080p] [PSN WEBRip] [Dual Audio].mkv
Format : Matroska
Format version : Version 4
File size : 3.80 GiB
Duration : 2 h 0 min
Overall bit rate : 4 512 kb/s
Encoded date : UTC 2021-04-27 19:14:44
Writing application : mkvmerge v45.0.0 ('Heaven in Pennies') 64-bit
Writing library : libebml v1.3.10 + libmatroska v1.5.2 / Lavf58.29.100

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L5.1
Format settings : CABAC / 4 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 1 h 56 min
Bit rate : 4 011 kb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Variable
Frame rate : 23.976 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.081
Stream size : 3.27 GiB (86%)
Writing library : x264 core 161 r3020 d198931
Encoding settings : cabac=1 / ref=2 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=6 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=44 / keyint_min=4 / scenecut=40 / intra_refresh=0 / rc_lookahead=30 / rc=crf / mbtree=1 / crf=19.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Default : Yes
Forced : No
Color range : Full
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio #1
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : A_AAC-2
Duration : 2 h 0 min
Bit rate : 317 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Delay relative to video : 6 s 700 ms
Stream size : 273 MiB (7%)
Language : English
Default : Yes
Forced : No

Audio #2
ID : 3
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : A_AAC-2
Duration : 1 h 56 min
Bit rate : 312 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Delay relative to video : 828 ms
Stream size : 261 MiB (7%)
Language : Japanese
Default : No
Forced : No