Episode: Gintama (2015) - 14 - The Reaper by Day and the Reaper by Night y244

The Kabuki District is thrown into turmoil by a series of serial killings targeting drunkards. They were all cut through the neck, leaving just one tiny bit of flesh attached. And because of that, now there are rumors that it \Nwas the work of a Reaper. When Gin-san takes the deserted streets home drunk, he runs into a Reaper who asks for his help in committing suicide. This Reaper turns out to have a backstory that cannot be made public, and Gin-san and gang end up getting mixed up in this incident.

Source: crunchyroll