Kokona Aoba is a gentle and cheerful character from the anime series 'Yama no Susume' (Encouragement of Climb). She is a close friend of the main characters Aoi Yukimura and Hinata Kuraue. Kokona is known for her kind-hearted nature and love for nature, often joining her friends on hiking and mountain climbing trips. Her gentle demeanor and supportive personality make her an essential part of the group, providing emotional support and encouragement to her friends. Kokona's role in the series is to showcase the importance of friendship and the joy of exploring the great outdoors.