Unwanted Summoning

Haruo wakes up with severe body aches and finds himself in a foreign country getting himself treated. There, he discovers that Kleis, the former princess of the Kingdom of Eir, has brought him from the modern world just to take make him her betrothed one. With a profound dislike for the unwanted summoning, the nonconsensual marriage, and the other new events unfolding in his life, Haruo simply wishes to return to his world -- something that cannot be done unless he finishes his duty.