Vitamin B6 is one of ten anthropomorphized characters representing active ingredients in eye drops. As a dedicated member of the team protecting planet EYE from threats, this character embodies vitamin B6's real-world biochemical function of promoting metabolic processes within the eye. Vitamin B6 contributes to the group's collective efforts in maintaining ocular health and combating issues like dryness and fatigue. The character holds an undeviating role within the team's unified mission throughout all official media, including supplementary content such as OVAs or spin-offs, with no distinct individual backstory, personality evolution, or unique narrative development occurring.