Taiyo’s "misunderstanding" (interpreting "Shinigami" as a cool superpower title rather than a slur) reclaims the language used to hurt Akane. He forces the audience and the characters to re-evaluate the premise of her existence.
After cross-referencing Japanese lyric databases, Vocaloid archives, and anime OSTs, three results match the vibe and phonetic shape of your query. shinseki no ko to wo tomadirakara full
As Astra grew, she became aware of her unique connection to the cosmos. She could feel the pulse of the stars within her, guiding her towards her purpose. But little did she know, her presence had also attracted the attention of a mysterious figure, known only as Kaito, a skilled thief with an enigmatic past. and anime OSTs