In "To Love-Ru: Darkness", which of the girls attempt making a harem for Rito Yuuki?

In To Love-Ru Darkness, Momo Deviluke attempts to create a harem for Rito Yuuki because she has developed strong feelings for him and wishes to fulfill his desires. Momo believes that by forming a harem, Rito would be able to experience love and affection from multiple girls simultaneously, providing him with a fulfilling and happy life. She sees this as a way to maximize Rito's happiness and believes it would create a harmonious situation where the girls could also support and care for each other.