Is Dead Man's Q still ongoing?

Dead Man's Q is currently finished. It has 3 chapters.

Who are the main characters in Dead Man's Q?

The main characters are Yoshikage Kira.

FINISHEDMANGA★ 3.5 #2,525♡ 51

デッドマンズQ

A wandering spirit searching for peace in the afterlife occupies himself with gristly "jobs" assigned to him by another ghost.

(Source: JoJo's Bizarre Wiki)

Yoshikage Kira

吉良吉影

MAIN

JoJo’s Bizarre Adventure: Shining Diamond’s Demonic Heartbreak

JoJo's Bizarre Adventure Part 4: Diamond is Unbreakable

Thus Spoke Rohan Kishibe

Kurayami Dance

The Voynich Hotel

Henjin Henkutsu Retsuden

JoJo no Kimyou na Bouken: Diamond wa Kudakenai

Shikei Shikkouchuu Datsugoku Shinkouchuu

Hirohiko Araki

Story & Art

What is Dead Man's Q about?: A wandering spirit searching for peace in the afterlife occupies himself with gristly "jobs" assigned to him by another ghost. (Source: JoJo's Bizarre Wiki)
Is Dead Man's Q still ongoing?: Dead Man's Q is currently finished. It has 3 chapters.
Who are the main characters in Dead Man's Q?: The main characters are Yoshikage Kira.