死後保険ネクロマンシング

"Those who encounter this hearse will die within 3 days." While working on a yakuza's request, Sho, a private investigator, encounters a duo in a hearse, claiming to be an insurance company. They tell him he will die in 3 days, and if he takes out insurance now, they'll guarantee his "afterlife"...! (Source: MANGA Plus)