After being taken into custody by Makima, one of the Public Safety Devil Hunters, Denji finds himself head over heels in love with her thanks to her suggestive insinuations. 

Wishing to team up with Makima, Denji arrives at the Devil Hunters Headquarters in Tokyo, and gets introduced to Aki Hayakawa, a senior hunter that he was supposed to partner with. But then Hayakawa beats Denji up, and demands that he “quit this job”...
It's the Sea Cucumber Devil. 
Yes, the Sea Cucumber Devil.
إنّه شيطان خيار البحر. أجل، شيطان خيار البحر
Es ist ein Seegurkenteufel. Seegurke.
Es el Demonio del Mojón de Mar.
Sí, el mojón de mar.
Es un Demonio Pepino de Mar.
Repito, Pepino de Mar.
C’est le démon-holothurie,
oui, holothurie.
É o Demônio Pepino-do-Mar.
Isso, Pepino-do-Mar.
Демон тут — морской огурец.
Да, морской огурец.