Beast Darling! ~Kemomimi Danshi to Himitsu no Ryou~

Synopsis

Five teenager boys are affected with a "beast" curse. This curse will give them animal tails, ears or any body feature of the animal. They will also inherit the characteristics and behaviour of said animal when their curse is activated. You, the heroine, have a special ability that you know nothing about. You can help these boys to control their beast curse properly. In fact there's something about you that you never know about and you'll only discover by getting close to them...