7th Night – Big Trouble! A Fake Rose! is the 7th episode in the Papillon Rose ONA.
News of Papillon Rose wreaking havoc in the red light district spreads. Tsubomi can't prove that it isn't her doing these things.
Rose attacks Margarette, who has been investigating the case by herself while distrusting Tsubomi! This is all part of one of Sister Pchela's usual plans, a fake Papillon Rose.