This content requires the base game The Caligula Effect: Overdose on Steam in order to play.
The Caligula Effect: Overdose - Swimsuit Bundle includes:

• The Caligula Effect: Overdose - Male Protagonist's Swimsuit Costume
• The Caligula Effect: Overdose - Female Protagonist's Swimsuit Costume
• The Caligula Effect: Overdose - Shogo's Swimsuit Costume
• The Caligula Effect: Overdose - Izuru's Swimsuit Costume
• The Caligula Effect: Overdose - Kotaro's Swimsuit Costume
• The Caligula Effect: Overdose - Kensuke's Swimsuit Costume
• The Caligula Effect: Overdose - Kotono's Swimsuit Costume
• The Caligula Effect: Overdose - Naruko's Swimsuit Costume
• The Caligula Effect: Overdose - Mifue's Swimsuit Costume
• The Caligula Effect: Overdose - Suzuna's Swimsuit Costume
• The Caligula Effect: Overdose - Eiji's Swimsuit Costume
• The Caligula Effect: Overdose - Ayana's Swimsuit Costume