Re-encoded by HEVC.Smaller file size higher Vedio Quality.
Fixed the EP 12 Audio Problem.
Add Chinese Subs.

source：
JP BD:http://u2.dmhy.org/details.php?id=10251
US BD:https://u2.dmhy.org/details.php?id=20915
TW BD:https://u2.dmhy.org/details.php?id=15270

Encoding Settings:crf=15.5，qcomp=0.80，aq-mode=1，aq-strength=1.10，psy-rd=0.90，psy-rdoq=4.00，qg-size=32
Audio1:Japanese - 2.0 24bit 48kHz FLAC
Audio2:English - 5.1 24bit 48kHz FLAC
subtitle1:English PGS
subtitle2:Chinese PGS

Quote:

General
Unique ID : 197880005291040054364602761940582284949 (0x94DE4D81959EDE9890E0A999B0783E95)
Complete name : D:\[philosophy-raws][High School Of The Dead]\[philosophy-raws][High School Of The Dead][OVA][BDRIP][HEVC Main10P FLAC][1920X1080].mkv
Format : Matroska
Format version : Version 4 / Version 2
File size : 1.23 GiB
Duration : 16mn 11s
Overall bit rate mode : Variable
Overall bit rate : 10.9 Mbps
Encoded date : UTC 2015-04-26 13:18:13
Writing application : mkvmerge v7.8.0 (‘River Man’) 64bit built on Apr 19 2015 20:46:02
Writing library : libebml v1.3.1 + libmatroska v1.4.2
_STATISTICS_WRITING_APP : mkvmerge v7.8.0 (‘River Man’) 64bit built on Apr 19 2015 20:46:02
_STATISTICS_WRITING_DATE_UTC : 2015-04-26 13:18:13
_STATISTICS_TAGS : BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
DURATION : 00:15:57.374000000
NUMBER_OF_FRAMES : 475
NUMBER_OF_BYTES : 3926207

Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5@Main
Codec ID : V_MPEGH/ISO/HEVC
Duration : 16mn 11s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Writing library : x265 1.6+296-55eedcef3708+11@6445fbfbbf7c:[Windows][GCC 4.9.2][64 bit] Yuuki 16bpp
Encoding settings : wpp / ctu=64 / min-cu-size=8 / max-tu-size=32 / tu-intra-depth=3 / tu-inter-depth=3 / me=3 / subme=5 / merange=44 / no-rect / no-amp / max-merge=4 / temporal-mvp / no-early-skip / rdpenalty=0 / no-tskip / no-tskip-fast / no-strong-intra-smoothing / no-lossless / no-cu-lossless / no-constrained-intra / no-fast-intra / no-open-gop / no-temporal-layers / interlace=0 / keyint=720 / min-keyint=1 / scenecut=40 / rc-lookahead=72 / lookahead-slices=0 / bframes=9 / bframe-bias=0 / b-adapt=2 / ref=5 / weightp / weightb / aq-mode=1 / aq-strength=1.10 / cbqpoffs=0 / crqpoffs=0 / rd=5 / psy-rd=0.90 / rdoq-level=1 / psy-rdoq=4.00 / signhide / deblock=-2:-2 / no-sao / no-sao-non-deblock / b-pyramid / cutree / rc=crf / crf=15.5000 / qcomp=0.80 / qpmin=0 / qpmax=51 / qpstep=5 / ipratio=1.40 / pbratio=1.30
Default : Yes
Forced : No

Audio #1
ID : 2
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 16mn 11s
Bit rate mode : Variable
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Writing library : libFLAC 1.3.1 (UTC 2014-11-25)
Language : Japanese
Default : Yes
Forced : No

Audio #2
ID : 3
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 16mn 11s
Bit rate mode : Variable
Channel(s) : 6 channels
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Writing library : libFLAC 1.3.1 (UTC 2014-11-25)
Language : English
Default : No
Forced : No

Text #1
ID : 4
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Language : Chinese
Default : Yes
Forced : No

Text #2
ID : 5
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : Picture based subtitle format used on BDs/HD-DVDs
Language : English
Default : No
Forced : No