A possible concise summary is:
The user is playing a horror game called The Baby in Yellow, where he has to babysit a demonic baby that can teleport, fly and trap souls. He narrates his experience as he tries to complete different tasks such as feeding, changing and reading stories to the baby, while avoiding the baby's attacks and escaping from the house. He also comments on the game's graphics, atmosphere and difficulty. He ends the video by asking his viewers to like, subscribe and comment if they want him to play an alternative ending called Pigman.
Here are the key facts from the text:
1. Nazarena Torres told the narrator that Germán can play a game called "Baby in Yellow."
2. The narrator has to take care of a baby as part of the game.
3. The baby is possessed and has supernatural abilities.
4. The narrator has to feed the baby, change its diapers, and put it to bed.
5. The baby's room is on the second floor of a house.
6. The narrator finds a book of secrets and a special key.
7. The narrator has to read a story to the baby to calm it down.
8. The baby's parents are not present in the house.
9. The narrator finds a toaster and a piece of cheese to make a sandwich for the baby.
10. The toaster explodes when the narrator tries to use it.
11. The narrator has to find the baby's bottle and feed it.
12. The baby is hiding in the refrigerator.
13. The narrator has to take the baby to the table to change its diapers.
14. The baby's room is locked, and the narrator has to break the security seal to enter.
15. The narrator has to put the correct stuffed animal in the baby's bed to calm it down.
16. The narrator reads a story to the baby called "The Prince and the Sheep."
17. The narrator completes the game and unlocks an alternative ending called "Pikman."