Kojiro Bondo's power turns his head into an adhesive dispenser. The liquid he sprays can seize a target where it stands or coat a stretch of ground in something no one wants to step on, and he decides how quickly it sets.
Written セメダイン and read Semedain, Cemedine belongs to Class 1-B's Kojiro Bondo. It is catalogued as a Mutant Quirk with medium range, arriving in Chapter 29 of the manga and Episode 17 of the anime.
The name is borrowed from reality. CEMEDINE CO., LTD is an actual Japanese manufacturer that makes and sells adhesive products.
Openings in Kojiro's head expel a glue-like fluid. What happens next depends on what it lands on. The substance may set solid and pin whatever it touched in place, or it may stay tacky, making the surface hazardous to handle. Drying speed is not fixed, and Kojiro adjusts it to suit the situation.
The obvious counter is chemical. Acid breaks the adhesive down, dissolving it. Among his named ultimate moves is Glue Squall, written グルースコール and read Gurūsukōru, in which he blankets a wide area in adhesive so that the whole region turns sticky and anyone who makes contact loses the ability to move. He debuts it during the Joint Training Arc.

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Kojiro Bondo's Quirk is Cemedine, a Mutant ability that lets him spray an adhesive fluid from openings in his head. He belongs to Class 1-B and first uses it in Chapter 29 of the manga.
Cemedine lets Kojiro Bondo either pin an opponent in place with fast-setting glue or coat a wide area in a lingering sticky substance, and his ultimate move Glue Squall covers a whole region so that anyone who touches it loses the ability to move. Its main weakness is that acid dissolves the adhesive.
Cemedine borrows its name from CEMEDINE CO., LTD, a real Japanese company that manufactures and sells adhesive products. In the manga the name is written セメダイン and read Semedain.
Kojiro Bondo's named ultimate move is Glue Squall, written グルースコール and read Gurusukoru. It blankets a wide area in adhesive, making the whole region sticky and trapping anyone who makes contact with it.
Kojiro Bondo is the only known user of Cemedine, but a comparable power exists elsewhere. All For One carries an unnamed glue Quirk that produces an adhesive substance capable of fusing broken pieces back together on the spot.
Looking for more on Cemedine? The My Hero Academia Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the My Hero Academia anime series, manga, and official materials. My Hero Academia was created by Kohei Horikoshi, published by Shueisha, and animated by Bones. All rights to My Hero Academia and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
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