hi there, i'm looking for stories about survival. Manga similar with the movie "ALIVE", their plane crashed into snowy mountains, where they had nothing to eat except for the stock food from the airplane, later they lacked out of food and their only option is whether to starve to death or eat their dead comrades. So they had no choice but to eat their comrade's corpse. then after 10 weeks the rescue came.
It doesn't have to be exactly like this, but at least the part where they have to eat their comrades, or human corpse is there.
If you know a manga similar to this with romance mix ups that's what I'm looking for.. BUT please,,, you can give me suggestions with any genres except for hentai, yaoi, or yuri...(not yaoi because you know, the story is about survival, and they might long for sexual needs, and that is not what I'm looking for.)
I already read one manga close to my descriptions and that is 7 Seeds ...
Thank you for your suggestions (in advance!)

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No ONGOING-STATUSES please.

well theres only one i can think of it's called eden no ori it's really good it's about a class that went on a school field trip and their plane crashed on a island with dinosurs and it has some romance and ecchi

The first arc of Dragon Head is a bit like that.

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How about Bio-Meat: Nectar ?

u could check Survival category

This is first, what came to my mind Metro Survive

Battle royale is pretty awesome

you just reminded me of an episode of the twilight zone. there were these colledge kids who were looking for a treasure hunt thing for a magazine in a mountain cave. then they found a box that looked mayan. they opened it and a pot of red stuff poured out. and it turned out that the sun dissapeared and to make itcome back they needed to sacrifice one of themselfes. they end up living but they killed the blonde in a ponytail. it was cool and dark. i dont know any mangas like that but hatchet is a good BOOK about survival.

Try Limit, I think it's pretty good.