Esu Hikube

Esu Hikube, a familiar face from Yawara Kai's middle school days, shares a deep bond with her former classmate. Known for her creative name inspired by her passion for music-it translates to "play bass"-Esu brings a vibrant energy to the story. As a talented musician, she often provides a musical backdrop to their adventures, fostering a connection through shared melodies. Her playful personality and history with Yawara set them apart as friends, creating memorable moments that resonate throughout the anime.