HD 1080p(High-quality / Overall bit rate:5324kb/s) from official website. No watermark version.
From now on, I’ll upload 2 versions of this drama every week.

General
ID                             : 1 (0x1)
Complete name                  : [MagicStar] Jikou Keisatsu Hajimemashita EP01 [WEBDL] [1080p] [HQ].mkv
Format                         : MPEG4
File size                      : 1.79 GiB
Duration                       : 48 min 15 s
Overall bit rate mode          : Variable
Overall bit rate               : 5 324 kb/s
Maximum Overall bit rate       : 35.5 Mb/s
FileExtension_Invalid          : ts m2t m2s m4t m4s tmf ts tp trp ty

Video
ID                             : 4113 (0x1011)
Menu ID                        : 1 (0x1)
Format                         : AVC
Format/Info                    : Advanced Video Codec
Format profile                 : High@L4
Format settings                : CABAC / 3 Ref Frames
Format settings, CABAC         : Yes
Format settings, ReFrames      : 3 frames
Format settings, GOP           : M=1, N=30
Codec ID                       : 27
Duration                       : 48 min 14 s
Bit rate mode                  : Variable
Maximum bit rate               : 40.0 Mb/s
Width                          : 1 920 pixels
Height                         : 1 080 pixels
Display aspect ratio           : 16:9
Frame rate                     : 29.970 (30000/1001) FPS
Color space                    : YUV
Chroma subsampling             : 4:2:0
Bit depth                      : 8 bits
Scan type                      : Progressive
Color range                    : Limited
Matrix coefficients            : BT.709

Audio
ID                             : 4352 (0x1100)
Menu ID                        : 1 (0x1)
Format                         : AAC LC
Format/Info                    : Advanced Audio Codec Low Complexity
Format version                 : Version 4
Muxing mode                    : ADTS
Codec ID                       : 15-2
Duration                       : 48 min 15 s
Bit rate mode                  : Variable
Channel(s)                     : 2 channels
Channel layout                 : L R
Sampling rate                  : 48.0 kHz
Frame rate                     : 46.875 FPS (1024 SPF)
Compression mode               : Lossy