Not entirely sure how to go about tagging it, but this appears to be commissioned work of MMO PCs? So far I have...
小鳥遊 - girl on the left (PSO2). ...I don't have machine-readable kanji for the one in the middle but she's depicted - https://skeb.jp/works/24343 - here. ...I have no idea who the last one is on the right.
Not entirely sure how to go about tagging it, but this appears to be commissioned work of MMO PCs? So far I have...
小鳥遊 - girl on the left (PSO2). ...I don't have machine-readable kanji for the one in the middle but she's depicted - https://skeb.jp/works/24343 - here. ...I have no idea who the last one is on the right.
Yeah, they're all original characters. 小鳥遊 雫 (takanashi shizuku?) is the name of the creator who commissioned the artist.