Art and layout considerations: Since it's a raw manga, the script should describe key visual moments, like the zombie father's appearance, the son's determination, and the final battle against the main enemy. There will be action scenes, emotional moments, and some scientific elements if the son is using technology.

Possible themes include fatherhood, sacrifice, and humanity in the face of horror. The father's journey is about protecting his family even after losing his human form, while the son carries on the mission despite the loss.

In the climax, the father might have to merge his zombie essence with the cure, requiring a symbolic moment where he gives part of himself to save the rest.

I should consider the setting. Maybe they are in a city overrun by zombies, but the son is immune or can communicate with zombies somehow. The father, being a zombie but with a higher intellectual capacity or some unique ability, is the only one who can find a way to defeat the zombie apocalypse.

I need to outline a chapter that builds up to the climax. The title suggests that the father zombie is the one who will save the world, so perhaps in this chapter, he's going to sacrifice himself or use his unique zombie powers in a way that no one else can. The son might be the one who motivates him or helps him on this mission.

First, I should figure out the main components of the story. The key elements here are a zombie protagonist and his son. Wait, maybe the son is the one who is the "waking one" (wakachin?) while the father is the zombie. The title suggests that the zombie (father) is the one saving the world, and the main character is his son.

Also, the son might have been raised with knowledge of how to deal with zombies, making him a strategic mind. The father's abilities could include superhuman strength or resistance to decay, which they need to utilize against the main threat.

I also need to incorporate visual elements, like the father's appearance with decayed features but calm demeanor, the son's youth and determined expression, and the lab's setting with high-tech equipment amidst ruined infrastructure.