Sorry, following :)
Natsume Yuujinchou (the mc isn't a shapeshifter, his cat is, and he keeps secret about his ability of being able to see youkai)
sorry, I only know this one
Ok... I Saw The Anime To That One
http://www.mangago.me/read-manga/moon_trick/
The mc turns into a different animal every night.
Omg thanks idc anymore if there is bl for this one cuz it's awesome!
Does anyone know a manga were the main character is a boy and he is a shapeshifter or something and he is trying to keep his power secret? Plz let me know if you do thanks! (⌒▽⌒)