When I Said “I Want a Beautiful and Rich Girlfriend”, a Girl with Her Own Reason Came to Me. is a Manga/Manhwa/Manhua in (English/Raw) language, SUGGESTIVE series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
Iori Shino (virgin) is engaged to Tendo Tsukasa, a celebrity on campus, because of an unintentional comment he made. However, Tsukasa was a rich and undeniably extremely beautiful girl who was rumored to "sleep with anyone" At first, Iori was bewildered by the difference in knowledge and experience. But gradually, he is drawn to her unexpected side.... Opposites in love, they question the meaning of love! A slightly mature coming-of-age romantic comedy!