- Real name: Unknown
- Birthday: February 11th
- Birthplace: Fukushima, Japan
- Homepage: http://sasakuration.com/
- Twitter: https://twitter.com/sasakure__UK
- Facebook: http://www.facebook.com/sasakureUK.Official/
- YouTube: https://www.youtube.com/channel/UCRt4chIzxYJlx0FNXmibrZg
- BOOTH: https://sasakuration.booth.pm
sasakure.UK (also known as ささくれP (sasakureP)) is a Japanese musician best known for his extensive work with VOCALOIDs, most notably Miku Hatsune and GUMI. He's also well known for his .BMS files, which he often provided the artwork for himself.
sasakure.UK also leads the band UK Rampage (有形ランペイジ), which mostly covers VOCALOID songs.
- sasakure.UK is a Kaiden-level beatmania IIDX arcade player in both Single Player and Double Player modes.
- According to his comments in Atröpøs, beatmania IIDX is what inspired sasakure.UK to become a musician.
- sasakure.UK has also composed songs for Ensemble Stars!.
- 有形ランペイジ (member of)
- Wandering Visitor
- Mistletoe -Viscumalbum-
- トンデモ未来空奏図 (2013)
- Kaleido Mixture
- プロトタイプ ナナクジャク
- Qili (2019)
- マシーナリー.ep (2018, with OSTER project)