Seiryaku Kekkon Wa Otakoi No Hajimari summary:

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*)!*This is a loveless marriage.* After Tsuyuri is made aware of this by her husband Kouichi, she proceeds to happily indulge herself in a carefree otaku life. But on the day she decides to attend the live show of her oshi, at the venue, she encounters Kouichi in a most unexpected form–!? In this marriage of convenience between a couple from unique circumstances, their newlywed life packed full of new experiences will make their hearts race nonstop!