Zetsurin Yakuza no Gokujou Aibu: Nogarerarenai Keiyaku Kekkon

"Look at how wet you are. Sorry, but I'll just leave my mark today..." Him saying that made my body tingle to its core...

Yuki is a 28-year-old office worker living her life romance free. One day, a man she met out drinking drags her to a sketchy casino to have some fun. Yuki feels out of place, but while she's enjoying her excursion learning about different parts of society, she meets a man with an overwhelming aura, Kanadome. Yuki feels wary of the mysterious man after he asks her on a date, but now her heart is pounding for the first time in years. Unknowing of Kanadome's intentions, Yuki's destiny takes a drastic turn...

An emotional love story about a contractual marriage between a yakuza boss and a hyposexual office worker!

(Source: MangaPlaza)