Halle serves in a central role within BRT5 at ADEN Academy, frequently acting as a mother figure to her group members. Her personality is marked by a consistent smile and gentle speech, establishing her as BRT5's most amiable member. Despite being the group's youngest, she displays emotional openness through quick laughter and tears and notably enjoys eating. Though often treated as the little sister, Halle skillfully reads between the lines during communication. She finds no displeasure in working to assist others, embodying a supportive nature.

Within the narrative, Halle actively encourages Quan's growth during Quan's temporary involvement with BRT5 after leaving PathTLive. Recognizing Quan's potential, Halle pushes her to develop greater self-confidence to prevent Quan from feeling down about herself. Her interactions include participating in group activities with BRT5, such as banana tag.