Their song "Too Much Blood" was partially inspired by his crime.
The 2017 documentary Caniba provides a modern, albeit experimental, look at his final years. issei sagawa manga english read link
Because these works are often out of print or "lost media," the Internet Archive is a reliable place to find scanned copies of the original Japanese magazines with translated transcripts. ⚠️ Content Warning: What to Expect Their song "Too Much Blood" was partially inspired
Websites like MangaDex or Bato.to occasionally host fan-translated versions. Use the search terms "Issei Sagawa" or "Interview with a Cannibal" on these platforms. issei sagawa manga english read link