Kimi wa Iinazuke

The marriage partner who suddenly appeared was... a handsome egotistical company president!? One day, Mei, the inexperienced daughter of a company president is suddenly introduced by her father to a fiancee. Before her appears Hijiri, a young company president who is well-educated, high-income, tall, and handsome to boot. He abruptly kisses Mei (who has no experience in love), and takes her out on dates.... Her heart and body are at the mercy of this full-throttle egotistical man, and Mei is bewildered but bit by bit becomes attracted to Hijiri.... A love story between an inexperienced late-blooming girl and an overbearing handsome company president, that begins with an abrupt declaration of betrothal.

(Source: Starts Shuppan, translated)