This bishoujo game has a story has an exciting storyline. In the game, you play as an assassin. You are hired to eliminate three wealthy targets. However, it turned out that the targets are three orphaned sisters with a massive amount of inheritance. 

You will forget about the mission. However, you must destroy the real enemies behind this mission. To complete your new mission, you will need to find out the answer to the following questions:

• Who are the targets?
• Why are they being targeted?
• How can you eliminate the targets?

You will be able to eliminate the targets by using the following methods:

• Breaking into the target's mansion.
• Find out the target's secrets.
• Learn the target's story.