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- Kato Miliyah
- Happy Celebration
- Other Information
- Arrangement: Shiokawa Mitsuki for P☆G☆L☆M
- Guitar: Kota Hashimoto
- All Other Instruments, Programming: Shiokawa Mitsuki
- Track Recording: Hiroshi Iizuka (at October Studio)
- Vocals Recording: Mitsuyasu Kaneko (at GIALLO PORTA)
- Chorus: Arisaka Mika, YURI
- Mixing: D.O.I (at Daimonion Recordings)
"Happy Celebration" is an urban pop song recorded by Kato Miliyah. The song is found on her Ring album as track #13.