Parent traveling with children on the train to Asturias.
They cooperate during the improvised plan on the train.
Nacho and Unai are explicitly listed together among the children attempting to outwit the ticket inspector.
They work together in the children's attempt to evade the inspector.
Nacho and Fernandito are named as participants in the plan involving a bug and sleeping pills.
Their relationship is based on cooperation during the train escape.
Lucas is named alongside Nacho in the group trying to outwit the ticket inspector.
They share responsibility for navigating the disrupted journey.
Nacho and Diana are both part of the group traveling with the children and adults toward Asturias.
They are connected through the family travel situation and its escalating confusion.
Marcos and Nacho are both associated with the traveling group and the children's disrupted train journey.