Fujoshi, Rikai no Aru Kare-kun to Kekkon shita.

Synopsis

Mei, a fujoshi in her mid-30s who works a regular job while creating fan fiction doujinshi, marries Minato, who is 10 years younger than her. Minato isn't an otaku, but he works hard every day for the sake of his beloved Mei. (Source: Shogakukan, translated)