Seiryaku Kekkon wa Otakoi no Hajimari

A sugary-sweet romantic comedy between a cool-as-ice scion of a distinguished household (otaku) and a lady of the most refined upbringing (otaku)! When Kouichi tells his new wife Tsuyuri, "This is a loveless marriage," she proceeds to happily indulge herself in a carefree otaku life. But when she goes out to see the live show of her favorite idol, she runs into Kouichi in a most unexpected way–!? In this marriage of convenience between a couple from unique circumstances, their newlywed life will be packed full of new experiences that will make their hearts race nonstop!

(Source: Peace Comic, translated)