A demon and his son live in the mountains. The princess of Ryuuguu castle has a baby. Taikichi, who always gives an offering to the Ryuuguu Abyss, is given a wife and child by Ryuuguu Palace.
Why don't you come 
visit Ryuuguu Palace?
¿Qué tal si vienes a visitar 
el castillo de Ryugu?
Entonces, ¿qué te parecía 
venir al castillo de Ryuuguu?
Então por que você não vem se 
divertir no Palácio do Deus Dragão?