Also known as: 千変万花☆エゴイズム, 千変万花, エゴイズム
Stylized Senpenbanka☆Egoism
A Vocaloid song by Fujiwara Hagane featuring Flower (Vocaloid) and Kagamine Len, with PV illustrated by Gomahichi.
The title's 千変万花 is a pun on 千変万化 (meaning infinite change/variety), with the last kanji replaced with "flower".