Video and audio are untouched WEBDL higher quality from the official Youtube upload.
Subtitles are from https://www.nyaa.si/view/1446533

General
Unique ID : 53462342681708126081126866499401393735 (0x28387900B0A73439948403282C1BA647)
Complete name : Kaguya-sama Love is War Ultra Romantic (S3) PV [WEBDL_1080p] [AV1_Opus].mkv
Format : Matroska
Format version : Version 4
File size : 73.3 MiB
Duration : 9 min 51 s
Overall bit rate : 1 040 kb/s
Writing application : Lavf59.4.101
Writing library : Lavf59.4.101
ErrorDetectionType : Per level 1

Video
ID : 1
Format : AV1
Format/Info : AOMedia Video 1
Format profile : Main@L4.0
Codec ID : V_AV1
Duration : 9 min 51 s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Title : ISO Media file produced by Google Inc.
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
VENDOR_ID : [0][0][0][0]

Audio
ID : 2
Format : Opus
Codec ID : A_OPUS
Duration : 9 min 51 s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Bit depth : 32 bits
Compression mode : Lossy
Language : English
Default : Yes
Forced : No

Text
ID : 3
Format : ASS
Codec ID : S_TEXT/ASS
Codec ID/Info : Advanced Sub Station Alpha
Duration : 9 min 49 s
Compression mode : Lossless
Default : Yes
Forced : No