HD 1080p from official website. No watermark version.
Because GYAO has made some changes, it is temporarily unable to get the 1080p source, so replace it with the source of TVer.

General Unique ID                      : 222795201326783882734191721106029017514 (0xA79CCB832924375DBCAE396097C5F9AA) Complete name                  : [MagicStar] The High School Heroes EP08 END [WEBDL] [1080p].mkv Format                         : Matroska Format version                 : Version 2 File size                      : 977 MiB Duration                       : 47 min 18 s Overall bit rate               : 2 888 kb/s Encoded date                   : UTC 2021-09-22 05:45:11 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                 : [email protected] Format settings                : CABAC / 4 Ref Frames Format settings, CABAC         : Yes Format settings, Reference fra : 4 frames Muxing mode                    : Header stripping Codec ID                       : V_MPEG4/ISO/AVC Duration                       : 47 min 18 s 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 Duration_Source                : General_Duration  Audio ID                             : 2 Format                         : AAC LC Format/Info                    : Advanced Audio Codec Low Complexity Codec ID                       : A_AAC-2 Duration                       : 47 min 18 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        : -66 ms Default                        : Yes Forced                         : No Duration_Source                : General_Duration