Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen - Kizokuin Gaiden

After the graduation ceremony ends and the library falls quiet once again, Solange reflects on the eventful term that has just concluded—and the many special memories she has made along the way. This new side series explores Rozemyne's time at the Royal Academy from a variety of new perspectives!

(Source: J-Novel Club)