Umineko no Naku Koro ni When The Seagulls Cry (07th Expansion) by Youshuu #2232793
Mangaka: Youshuu,
Uploaded by 
companysisting on Dec 16, 2017,
Youshuu, Umineko no Naku Koro ni, Mammon (Sister of Purgatory), Beelzebub (Sister of Purgatory), Asmodeus (Sister of Purgatory), Belphegor (Sister of Purgatory), Siesta 556, Okonogi Tetsuro, Kanon (Umineko), Cornelia (Eiserne Jungfrau), Ushiromiya Battler, Gertrude (Eiserne Jungfrau), When The Seagulls Cry