My Wasteland Has Turned into a Peach Land, and I'm Already Suffering from Pink Eye?

[Background of Cold Technology Wasteland Era + Planting + Food + Psychic Power + Alien Species + Time Travel + Magic + Subspace + System] Warm reminder: It is a slow-burning novel with many characters. It is similar to a group portrait novel. It is a mixed style of writing. If you don't like it, don't read it. The kind where the heroine travels to another world and comes back again. She has a system and a space, and has double golden fingers! Yunduo was poisoned by eating poisonous mushrooms and fell into a coma. During the coma, he traveled through the ancient earth era and the magical world. After two months in the coma, he traveled back to the original wasteland world with the food system and subspace. On the day he woke up, his best friend and her sweet boyfriend were holding a wedding, and they were getting married...