いたちごっこ ∞ らゔぁーず (Itachigokko ∞ Lovers)

Background
The more he devoted himself to her, the more selfish she became. The more selfish she became the more he liked her. The more he liked her, the more she... ∞

Unlike the previous PVs by Hitoshizuku-P and Yama△, this song stands out as being one of the few that don't use VOCALOID mascots as the characters. It's featured in the album EVER DREAM and was used in the NICOBARNING!! 2013 event.