S1, E2: As a reward for rescuing the kidnapped princess Flora, Rio decides to enroll as a special student to the primary school of Bertram Royal Academy. However, the students at the academy, where children of royalty and nobility gather, do not welcome the orphan Rio. The only person who cares for Rio, who is looked down upon by all around him, is Celia, a 12-year-old girl who is the homeroom teacher at the elementary school. Since Rio can't read, Ms. Celia and Rio begin tutoring alone after school.