Uni Akiyama（あきやま うに）in Touhou Project 20th Anniversary drinking Party"To-kaigi TV"(2015) https://youtu.be/S-MzCpbx__c
あきやま うに (also known as U2, U2 Akiyama, and Uni Akiyama) is a member of the circle Tasofro and is responsible for composing and arranging music as heard in Immaterial and Missing Power, Scarlet Weather Rhapsody, and Touhou Hisoutensoku.