Rika was introduced as being aggressive and hasty, not hesitating for a minute to say whatever is on her mind even to those she just meets. She spent much of her time as a loner due to her hostility pushing others away. However, after bonding with Ai and the others girls, Rika's more energetic and humorous side surfaced, along with her becoming a more compassionate and selfless person, particularly towards her newfound friends. Rika's original callous and arrogant nature was largely a result of