BUR #21590 has been approved by @nonamethanks.
mass update liumang_tu_shua_p_zhan -third-party_source -> third-party_source
nuke liumang_tu_shua_p_zhan
This account seems to be a reposter of official art. Someone needs to go through liumang_tu_shua_p_zhan -official_art and tag game screenshot and official art where necessary - they mostly seem to be Waifu2X upscaled screenshots.