Loo, Egan (June 11, 2022). "WATATEN!: an Angel Flew Down to Me Film's Teaser Unveils Concept Song, Oct 14 Debut". Bathroom, Egan (Oct 16, 2021). "WATATEN!: an Angel Flew Down to Me Film Unveils Title, Returning Solid & Personnel, 2022 Debut". It was serialized on Kodansha's Journal Pocket site https://emiliovmeue.pointblog.net/the-chronicles-of-kawaii-plush-shop-on-line-64055118