Tania Mauleón Espinosa is a Mexican-born 22-year-old student residing in Barcelona. After the competition, she wants to move to Australia, where her mother lives, together with her boyfriend Carlos and their dog Ito. She was surprised to see Carlos and Hito enter the house right after her on Day One; Carlos proposed marriage to her right then, she accepted, and a marriage promise ceremony was conducted immediately. For the rest of the housemates, she had to pretend he did not know Carlos from before while she had an affair with Vera. Carlos and Ivy's secret was discovered on the third assembly of secrets and Ito had to moved out of the house. She was the fifth evicted on Day 40. She didn't take part on the repesca.