Includes: The Caligula Effect: Overdose - Male Protagonist's Swimsuit Costume DLC The Caligula Effect: Overdose - Female Protagonist's Swimsuit Costume DLC The Caligula Effect: Overdose - Shogo's Swimsuit Costume DLC The Caligula Effect: Overdose - Izuru's Swimsuit Costume DLC The Caligula Effect: Overdose - Kotaro's Swimsuit Costume DLC The Caligula Effect: Overdose - Kensuke's Swimsuit Costume DLC The Caligula Effect: Overdose - Kotono's Swimsuit Costume DLC The Caligula Effect: Overdose - Naruko's Swimsuit Costume DLC The Caligula Effect: Overdose - Mifue's Swimsuit Costume DLC The Caligula Effect: Overdose - Suzuna's Swimsuit Costume DLC The Caligula Effect: Overdose - Eiji's Swimsuit Costume DLC The Caligula Effect: Overdose - Ayana's Swimsuit Costume DLC Mobius. An idyllic world that lets people forget about the pain and problems of reality. Created by a sentient vocaloid program, μ (Mu), reality and fantasy have become blurred, allowing people to relive their high school years in bliss -- but just how real is a virtual happiness?