My Group: https://mangadex.org/group/16865/manga_toshokan (ID: 16865)
My Profile: https://mangadex.org/user/2444517/toshokanshoujo (ID: 2444517)
Proofs: https://mangadex.org/chapter/1177801/1
https://mangadex.org/chapter/1178233/1
(edit)Proof: https://mangadex.org/chapter/1181538/1