Back in 200X, this was in the same section as Berserk and other acclaimed seinen series, but I never got into it. Now this pop out on nowhere in Netflix, it must be sure the time to try it out.
I can only say it is a product of it's time with visuals from this time. The main character is the OverPowered bad ass you used to see in that time. He is strong for the sake of begin strong. The co-protagonist Yoko fares worse, being very inconsistent. At times she is totally useless and other times seems very dependable. Lucien, which is the kid side from the MC, is even worse. He is 14 but acts as a 3 year old, with zero agency; he is just there as gimmick prison for the MC.
Every other secondary character might as well be a cartoon board cut.
The strongest aspect from this series, and I take its the strongest in the manga, are the visuals. For nowadays standards, it's only serviceable at most.
The story is really weak, name characters, character development, goals, even the most simple of all: the dialogues are the weakest I've seen in a while, they don't provide anything to the plot and only add minutes to the episode. The series also tries some comedy but falls flat on the delivery.
Still, if you want to unplug your mind for a while, and enjoy some mindless OK action and OK fanservice I'd say it can be somewhat enjoyable, even more if you play it a 1.5x its normal speed.