All YOASOBI songs have a background story/novel/text. I'm Shiyuki, and I am the unofficial translator of the YOASOBI songs and backstories, as well as YOASOBI-related news!
Please follow the following twitter threads to find the entire translated stories and lyrics for YOASOBI songs! Translation summary in my twitter bio or here: docs.
Feel free to follow my twitter @shiyuki332 for more YOASOBI translations, updates, and news! Thank you for reading!