パーカー着たキャラはどう考えてもカゲプロのパクリ (Parka Kita Chara wa Dou Kangaete mo Kagepro no Pakuri)

Background
A humorous and satirical song proclaiming that all characters wearing hooded jackets stole the idea from Kagerou Project, commenting on the strangeness amongst its fans. This song has entered the Hall of Fame.