Dressed as an Ancient Servant and Married the King of a Country

[Two male protagonists + time travel + soft spot + HE] Xin Yan transformed from a retired soldier into an ancient servant. To be honest, this career is quite good. After all, he can spend money on time and there is no danger. It is more stable than his previous career. But since he saved the beautiful twins, in order to take better care of them, he suddenly felt that his career was no longer good. So I quickly decided to redeem myself and leave here as soon as possible. I just didn't expect that after becoming free, the two of them would unknowingly take a different direction. After confirming their relationship, their lover actually became the prince of a country and the only heir. There is no other way, the wife sings and the husband can only go along to govern the country.