Secrets of the Silent Witch, Vol. 2 (manga)

Monica, the powerful but incredibly shy mage, just wants to quietly carry out her mission to guard the second prince. But now he-s taken notice of her and even appointed her to the student council! Unfortunately, some of the other students don''t appreciate Monica getting so cozy with the prince, and she must also receive instruction from the icy Cyril... When will her troubles end?