If you are looking for the background music (BGM) that plays just before the credits transition (around the 22-23 minute mark), it is part of the original score by , likely the track "the golden bowlers" .
The musical piece for the timestamp in Chainsaw Man Episode 5 is the ending theme song "In the Back Room" by syudou . ChainsawManEp5HD23:55 Min
You can find the full song on Spotify or watch the official non-credit ending on the MAPPA YouTube Channel . If you are looking for the background music
This track was specifically chosen for Episode 5 to match its surreal and claustrophobic atmosphere, particularly the "Endless 8th Floor" hotel loop. ChainsawManEp5HD23:55 Min