Title selection - You can choose the title you want to play on the title selection screen Character selection - After playing the game prologue, choose a character and advance the story. The playable characters will increase depending on the gameplay progress Scenarios - There are three scenarios in the story which are "Dark, "Maniac" and "Ecstasy". To unlock the scenarios you must increase the degree of SM in the gameplay progress and you will have the ending by completing all the scenario Degree - There are two kinds to choose, the "Degree of Love" that shows familiarity with the characters. On the other hand, the "Degree of SM" which changes depending on the story's progress Keyword Selection- This appears in the last epilogue of the scenario. If you select the correct word preferences related to the character, you will be able to play the "Heaven Scenario" can be found in the "Special" section on the main menu