There are three swags that are identically named (S) Fusion Boost in The World Ends with You. They differ by which character they apply to. For differentiation purposes, this wiki appends the name of the character that corresponds with each sticker. Obtaining (S) Fusion Boost increases the corresponding character's Fusion level. Did you mean...
- (S) Fusion Boost Shiki, the sticker that increases Shiki's Fusion level?
- (S) Fusion Boost Joshua, the sticker that increases Joshua's Fusion level?
- (S) Fusion Boost Beat, the sticker that increases Beat's Fusion level?