The BGM, Lullabye (Sting) by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://www.twinmusicom.org/
イラストレーター・みしまゆかりのウェブサイト / YUKARI MISHIMA Illustration Works
The BGM, Lullabye (Sting) by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://www.twinmusicom.org/