Sony Japan has released the Liner Notes on Kaibutsu-san
On Kaibutsu-san
- Ken wanted an attention grabbing song title so he settled on Kaibutsu-san
- Song intro is retro electropop
- Song is 4 minutes 4 seconds
- Song is written & composed by Ken . Lyrically it's sung from a woman's perspective, just like Elegy & Shiranai ne Desho?
- Aimyon appeared as a guest on Ken's radio show back in 2017 & from then on , they became friends
http://www.sonymusic.co.jp/artist/KenHirai/info/516846