A businessman in his second year. His girlfriend just dumped him because he was "too plain and uninteresting". He is serious and sincere because he was a member of an athletic club. He can cook for himself and has surprisingly high female power. He has a fairly good build and is very energetic. When he was a student, he was devoted to club activities, and he was simple without a fashionable atmosphere. He had nothing to do with love, but he secretly longed for the sparkling and dazzling [Sayaka](https://anilist.co/character/299211).

Koutarou and Sayaka, who were both dumped by their lovers, meet at a class reunion, and end up spending the night together at Koutarou's house.
 
The two have polar opposite views on love and personalities, but their physical chemistry is outstanding, and they spend a night connecting both body and mind.
 
Note: A live-action AV adaptation (EBOD-963) was released on March 21st, 2023.

Koutarou and Sayaka, who were both dumped by their lovers, meet at a class reunion, and end up spending the night together at Koutarou's house.
 
The two have polar opposite views on love and personalities, but their physical chemistry is outstanding, and they spend a night connecting both body and mind.

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Koutarou Nagase