ill  choujigen game neptune neptune (series)  green heart vert  1girl bare shoulders bikini blush breasts clamshell clavicle cleavage closed mouth female full body green hair groin hips light-skinned long hair looking at viewer midriff navel open mouth ponytail pose power symbol purple eyes seashell shell shell bikini shiny shiny hair shiny skin solo stomach string bikini swimsuit symbol-shaped pupils tied hair very long hair