CoCoon is a music video created in collaboration with Japanese art director and costume designer Eiko Ishioka. CoCoon refers to the protective case spun by the larva of a metamorphosing insect. The lyrics explore a girl's emotions as she meets a boy, with her excitement and ecstasy transparently shown through her expressions and gestures in the video. Red thread, symbolizing the boy and emanating from him, is observed and playfully engaged with by the woman. However, she ultimately wraps this thread into a cocoon, a protective barrier that must eventually be broken through, depicting a challenging but necessary phase of growth. The convergence of the girl and boy in the video symbolizes growth, both sexually and mentally.