光繋（ひかりつなぎ） -Color of Fire-

This bracelet changes color based on UV light exposure, symbolizing the energy of the Ninth运 era, which emphasizes 'people skills', 'passion', and 'vitality'. It helps users stay attuned to the era’s rhythm and potentially attract positive opportunities.

• The description claims that the bracelet can help attract positive opportunities and boost motivation when worn outside or during social interactions.