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iTunes Store • J-Pop TOP SONGS • Philippines • TOP 11
![Ayano's Theory of Happiness (New Recording) [Instrumental] Front Cover](https://tcj-image-production.s3.ap-northeast-1.amazonaws.com/u596323/r1904106/ite1904106.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJV4VIS2VN3X4CBGA%2F20260815%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20260815T090837Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=de54de8e732366562a57305533cd0461be0e3c9e8fd5341bf6915b5a3bf782db)
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