Meiji Kanako manga
Sweet and pretty high school student Keita is aggressively courting his remedial class teacher, Soga. Soga, however, thinks it's just a childish joke, and that there is no real love... From the beginning of courtship between sensei and student to their first time together, and other romantic stories! In another pairing, an ex-student meets his tutor. Adult love relationships are compiled here. Pure love and romantic love stories of innocent teens and adults who are toyed with by them.
From [Fujoshi Bitches] Beautiful college student, Yonomori, is secretly enamored by his underclassman, Hinohara. He’s a really cocky junior, but sometimes, Hinohara touches him as if he were a precious jewel and makes his days full of heart-wrenching hope. And on one of those days, he is shocked to learn that Hinohara has a person he likes. Even while being plagued with hesitation, Yonomori goes to Hinohara to inquire about the identity of that person. But in exchange for an answer, Yonomori is to become...?