Kaibara Swirendle a 20 year old girl who was been adopted and been trained by Mafia and Hunters Association. She joins up at The Notorious Gang who's been a headache to the Societies she was been working for. She was been numbered as 15th Member of the Phantom Troupe and she was looking forward to destroy the Spiders from the inside. But is meanwhile discovered her growing feelings with one of its Members. will it interrupt her mission?,or she will succeed in it and forger her mission?. Let us both find out.

A story of a Teenage girl who has a tragic history that led her into a Dangerous Adventure.