Ikina Aitsu wa Han-Cubus

Sora Mishima is a sunny and kind-hearted high school girl who would like to have a boyfriend. One day, she has a rather sexy dream and comes to school to find a transfer student, Akane Kamidate, has arrived in her class. He looks like a gloomy, dark-skinned guy, but for some reason, everyone in the class seems to be attracted to him...? (Source: Shonen Jump Plus, translated)