Sazanami Soushi ni Junketsu wo Sasagu
English title: Offering My Virginity to a Gangster
Japanese title: 漣蒼士に純潔を捧ぐ
Type: ONA
Episodes: 8
Source: Web manga
Genres: Hentai
Studios: Studio Hokiboshi
Producers: Suiseisha
Duration: 6 min per ep
Rating: Rx - Hentai

"If it's my beloved wife's wish, I will devote my body and flesh to it." Deeply touched by his tattooed body, I can't take it anymore...! A regular office lady meets a gangster on her trip. "Please pretend to be my wife, just for tonight." He takes my hand and looks at me like I'm a treasure... The passionate love of a gentleman melts me in the head... This is the dramatic love between a gangster and a virgin office lady!

(Source: Coolmic.me)