With a mindset of "just get close to someone rich for now, it doesn't matter why," I was hanging around them here and there, and somehow we became indispensable to each other.

A story where a duke's daughter, who was supposed to become a villainess, has her heart saved by a baron's daughter who hovers around her, and the two become sisters together. The protagonist is the baron's daughter. Luriana is a baron's daughter. She hovers around Eveline, a duke's daughter, and her family was saved by Eveline. Luriana swears loyalty to Eveline. Eveline also dotes on Luriana. The two take each other's hands and become nuns at a convent. There were moves to interfere with the two's happiness, but Luriana... Also posted on Alphapolis.