The primary conflict arises when various predatory individuals—including a building manager, a private investigator, and a coworker—begin to target Nanami. Anime News Network The Blackmail:

: A seemingly happy married man, Shuichi (Ito), has an affair with a younger colleague, Akiko (Yoshitaka). The drama dissects the emotional fallout, guilt, obsession, and eventual stalking that threatens his family and sanity.

: A three-episode adult animated series released starting in 2011, directed by Ken Raika.

If you're looking for a detailed review, plot summary, or information on where to watch/read, I can offer more general advice: