Otome wa Boku ni Koi Shiteru: Trinkle Stars 2

The second volume is a story focusing on "Mirei Masaki" who rivals both Minoru and Orime. Mitsumi and Mirei grow closer during their meeting in the library. However, by chance, he is exposed. Mirei invites him on a date on the condition that she doesn't tell anyone about it, and the two gradually develop a good distance between them, but...