For Some Reason, My Rabbit Familiar is Madly in Love with MeNaze ka Tsukaima no Usagi wa Boku wo Dekiai Shisugiteru; なぜか使い魔のウサギは僕を溺愛しすぎてる; For Some Reason, My Rabbit Familiar is Madly in Love with Me

Aidan McGuire is a new magician in the Guardians of the Order. Every Guardian has a humanoid familiar, and summoning one is mandatory! But during the summoning ceremony, Aidan summons a cute rabbit! He was told deeper contact was necessary for the familiar to showcase its true power so when he tried kissing it, the rabbit disappeared and a young man named Jougasaki Hidetora appeared in its place! A cute (?!) fantasy BL story about a magician with a vague memory of some other life.