 Bis were signed to the major label Avex Trax in mid-2012, and auditioned for new members to join the group.This led to the initiation of Yurika Wakisaka and Rio Michibayashi, giving Bis a total of five members.Their first release with Avex was the July single "PPCC" (an acronym standing for the onomatopoeic phrase "pero-pero chu-cchu", meaning "lick-lick kiss-kiss"), and a horror film about and starring the group, titled "Idol is Dead", was released in the same year.