HD 1080p from official website. No watermark version.

General
Unique ID                      : 187000048245662996412653953712808788771 (0x8CAEE6355DFD3EDFACDBE3CBC8F40323)
Complete name                  : [MagicStar] Aibou Season18 EP20 END [WEBDL] [1080p].mkv
Format                         : Matroska
Format version                 : Version 2
File size                      : 2.04 GiB
Duration                       : 1 h 45 min
Overall bit rate               : 2 762 kb/s
Encoded date                   : UTC 2020-03-18 22:49:17
Writing application            : mkvmerge v5.7.0 ('The Whirlwind') built on Jul  8 2012 20:08:51
Writing library                : libebml v1.2.3 + libmatroska v1.3.0

Video
ID                             : 1
Format                         : AVC
Format/Info                    : Advanced Video Codec
Format profile                 : High@L4
Format settings                : CABAC / 4 Ref Frames
Format settings, CABAC         : Yes
Format settings, ReFrames      : 4 frames
Muxing mode                    : Header stripping
Codec ID                       : V_MPEG4/ISO/AVC
Duration                       : 1 h 45 min
Width                          : 1 920 pixels
Height                         : 1 080 pixels
Display aspect ratio           : 16:9
Frame rate mode                : Constant
Frame rate                     : 29.970 (30000/1001) FPS
Color space                    : YUV
Chroma subsampling             : 4:2:0
Bit depth                      : 8 bits
Scan type                      : Progressive
Default                        : Yes
Forced                         : No
Color range                    : Limited
Matrix coefficients            : BT.709

Audio
ID                             : 2
Format                         : AAC LC
Format/Info                    : Advanced Audio Codec Low Complexity
Codec ID                       : A_AAC-2
Duration                       : 1 h 45 min
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        : -66 ms
Default                        : Yes
Forced                         : No