The Background Matcher

Souta is just like any other romance anime background character, but his school is different. Many beautiful girls with different personalities attend the school, and determined to ease his boredom, he decides to match his friends with the beauties, behind the scenes. Every move he makes is all from his mind, since he is the 3rd smartest student in his year. With his intelligence and his low-presence, will he change the future of his classmates? Or change his own?