Prince Sun Wants to be a WifeSun-ouji wa Tsuma ni Naritai; サン王子は妻になりたい; Prince Sun Wants to Be a Wife; Prince Sun Wanna Be a Wife; O Príncipe Sun Quer Ser Uma Esposa; Hoàng tử Sun muốn trở thành vợ; El Príncipe Sun quiere ser una esposa

Keitarou, dreaming of a soulmate, meets a beautiful brown girl(?) Sun. Apparently, he'd promised to marry Sun when they were young and it turns out he's a prince of the kingdom of Caglionia! Will they find their soulmate in each other!?