Marry Me!

 (マリーミー!, Marimi!) was a romance Webtoon Original created by Miku Yuki (Instagram: @_miku_yuuki, Twitter: @_Miku_Yuuki); it concluded on September 18, 2022. The original Japanese Webtoon premiered on LINE Manga (IP block).

There's a drama adaptation of the series.

Synopsis
''Civil servant Sinn gets a huge surprise on his 29th birthday when he is chosen as the first subject of an experimental new law to marry someone he's never met. His marriage partner is Mari, a recluse who has yet to experience the small joys of life. Now the two must navigate their relationship as a married couple, all while proving -- or disproving -- that the law will benefit the greater good of society.''

Drama

 * マリーミー! (Japanese): 2020 TV Asahi drama