# Happy Days

> song by Ai Otsuka

**Wikidata**: [Q3127178](https://www.wikidata.org/wiki/Q3127178)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Happy_Days_(Ai_Otsuka_song))  
**Source**: https://4ort.xyz/entity/happy-days-q3127178


## References

1. Freebase Data Dumps. 2013