Yukirin is a very cheerful, kind, caring and outgoing girl who is almost always seen with a smile on her lips. She serves as a foil to Tsuyoshi and has a straightforward personality. She is very charming and often, along with Tsuyoshi, observes her friends' relationships through the eyes of an otaku. She is also quick to become familiar with people, as she often gives nicknames to people; like "Natsuking" to Natsuki and "Marippe" to Mari. She is also very lively, peppy and innocent. She is very curious and can sometimes get a little carried away when it comes to cosplay and games.