Rika is shown at first to have an unlikeable and blunt side which later develops into an outgoing and compelling personality around the three other protagonists. On the outside, she's quite funny and light hearted too. She tends to hide her deeper feelings of guilt, self hatred, regret and sadness under a confident and brash mask, only being revealed when she's alone. Sometimes, she even completely ignores people if they ask her a question she doesn’t want to answer,