How is Akame Ga Kill Zero different from the main storyline?

Akame Ga Kill is certainly one of the starter anime everyone gets recommended to. But what about Akame Ga Kill Zero? Is it any different from its famous counterpart?

Tatsumi, Akame Ga Kill! Wiki

10 Manga Like Akame ga Kill! - HobbyLark

Story by Takahiro. Publisher : WOS Limited Manga BM. (English Version).

Akame ga Kill Zero By Takahiro English version Vol.1-10 Complete Set Manga DHL

Akame ga Kill! Zero, Akame Ga Kill! Wiki

So, what do you all think about Akame ga kill zero? : r/AkameGaKILL

Akame Ga Kill Zero Manga Volume 1 - 10 English Complete Full Set

ZERO, Vol. Release Date: 2016-06-28. Publisher: Yen Press. Notes: vUnmarked. Text appears to be free of highlighting, underlining or writing. Binding

Akame ga KILL! ZERO, Vol. 2 (Akame ga KILL! ZERO, 2)

Akame ga KILL! ZERO 01

Is Akame ga Kill! Zero getting its own anime? If so, will it be better than Akame ga Kill? - Quora

Akame Ga KILL! ZERO, Vol. 2 English Manga Rare 9780316272285

Akame ga KILL! Zero Volume 10 Manga Review - TheOASG