Otakon no Susume!

Ryouta Shinonome, who is struggling to become a professional manga artist, is fed up with the advice of those around him that, because he has no experience in love, his romantic comedies are in low resolution. On the other hand, Akemi, a doujinshi artist who also works as an office worker, is troubled only by the pressure from her family to get married. These two meet through a matchmaking service, and because their mutual interests align, they have decided to get married after zero days of dating. So begins their feigned married life, in order to freely pursue their interests as otaku...!!

(Source: Kadokawa, translated)