The author is Anon(60)/Star. (https://db.bepis.moe/user/view/52) I base this information off of https://docs.google.com/spreadsheets/d/1niC6g-Xd2a2yaY98NBFdAXnURi4ly2-lKty69rkQbJ0/edit#gid=2085826690 The original link for this Byleth card is https://www.mediafire.com/folder/5upzv8kh2rdul/AA2#w3bn6u66n60cz