C39 Dark guard?

The crown prince finished his morning lessons the next day and followed Grand Tutor Lv to the Lu Mansion. Naturally, there was a large amount of precious herbs.

When they left the palace, they met the Four Fifth Prince s, humbly and courteously greeted the crown prince, and then greeted the Grand Tutor Lv.

Grand Tutor Lv and the Crown Prince both felt that their smiles deserved a beating