Throughout both his childhood and the game's events, SUNNY is extremely shy and quiet. He rarely speaks and does not like to smile. However, despite not expressing it as clearly as the others, he still appears to care deeply for his friends, as his most treasured memories are of his time spent with them. Multiple characters, such as BASIL and AUBREY, describe SUNNY as a "really good listener" who does not mind listening to them vent. SUNNY often struggles with self-confidence and self-worth.