50 or Two Whales Meet at the Beach

50 (o Dos ballenas se encuentran en la playa)

Also known as 50 or Two Whales Meet on the Beach

Félix, a 17-year-old boy, receives an invitation on WhatsApp: do you want to play the Blue Whale Game? The one with the 50 challenges? The one where you have to kill yourself at the end? Félix accepts. That is how he meets Elisa. They start completing the challenges together.