Title: Onii-chan wa Oshimai! (Uncensored)
Video: AV1
Audio: AAC LC , Japanese
Subtitles: English

Source: Okay-Subs

ssimulacra2 mean score: 89.04

Downscale_Settings: ffmpeg -i "file.mkv" -vf scale=1280:720:flags=bicubic:param0=-1/2:param1=1/4,setsar=1:1 -c:v libx264 -crf 0 -preset veryslow -c:a copy "file_720.mkv"
Encoding Settings: av1an -i %1 --workers %3 --resume --photon-noise 2 --chroma-noise --sc-downscale-height 540 -v "--end-usage=q --cpu-used=3 --cq-level=22 --threads=2 --aq-mode=1 --enable-qm=1 --lag-in-frames=64 --arnr-strength=1 --arnr-maxframes=4 --quant-sharpness=3 --disable-trellis-quant=0 --enable-fwd-kf=1 --min-q=1 --deltaq-mode=1 --bit-depth=10 --tune-content=psy --enable-chroma-deltaq=1 --tune=ssim" -o %2

PLEASE LET ME KNOW IF THERE’S ISSUES