Real Sociedad was promoted to first division after becoming Liga de Ascenso 2011-12 apertura champion and later winning promotion final against Parrillas One. They finished last in their first season, forcing the team's directives to make bold movements to avoid relegation. For the clausura tournament the Tocoeños signed Honduran international and star, Julio César de León, among other renowned players like Elkin González, Juan Manuel Cárcamo, and goalkeeper Sandro Carcamo. The experience these players brought to the team, helped the surge of Rony Martínez, Diego Reyes, and José Barralaga. The club would eventually finish 2nd place for the regular season, advancing directly to semi-finals. They went faced Victoria, whom they defeated 3-0 away, practically sentencing the series. The Aceiteros would qualify to their first historic final by drawing 2-2 in Estadio Francisco Martinez. They faced Olimpia in the finals. At home they defeated Olimpia 1-0 with a goal from Diego Reyes. In the away game they lost 2-0, losing their historic final with a 1-2 aggregate.
Real Sociedad qualified to their first final just after one year of being promoted into the first division. They defeated Victoria 5-2 aggregate and later faced Olimpia, giving Colón its first final in history.