Eris no Seihai The Holy Grail Of Eris by Yuunagi (Seventh Heaven) #2751655
Mangaka: Yuunagi (Seventh Heaven),
Uploaded by SubaruSumeragi Nov 14, 2019,
Yuunagi (Seventh Heaven), Eris no Seihai, Character Request, Official Art, Novel Illustration, The Holy Grail Of Eris