Yosetsu's quirk allows him to merge things both organic and inorganic at an atomic level.
Yosetsu can also fuse his own body parts with that of other people, facilitating their transport in case they become unable to move. Yosetsu can reverse his own Quirk, undoing any previous welds.
This Quirk will not work unless he touches both objects so that they can be weld together.
- ↑ My Hero Academia Manga and Anime: Chapter 81 and Episode 44.
- ↑ My Hero Academia Manga: Chapter 35 (p. 11).