ハロウィンの夜 / Halloween night | Atreus #pixiv https://www.pixiv.net/member_illust.php?illust_id=71515039&mode=medium
Commission from pixiv.
Thanks for being interested~
A small gift for the cutest bear ever, @aki5 ! Shingo is a character from the Shogakkou no Hibi Prequel!
HAVE A GREAT BD, YOU FLUFFY ADORABLE BEAR!
There's also a small animated version, you can find it here: