We Didn't Match, but Let's Start Anew

On a certain auspicious day in June, Tomoya Asahi has date for a potential arranged marriage with Ruri, a young lady from the Tsukinoin Zaibatsu, Although Tomoya has a good impression of Ruri, he turns down the marriage proposal, saying that he will not force a young lady 12 years his junior into a political marriage. But he was persuaded into going on another date. It seems that they had met in that place 10 years ago....... This is a story of a single-minded love pursuit in the form of an arranged marriage between a young lady and a muscular gentleman!

(Source: Square Enix, translated)