天野 悠護

A male student who is part of the student council. He is childhood friends with Mia and Sumire. He is also kouhai to Renge who is also a part of the student council.

Mia tells Yugo that he has lost part of his memories due to a shock caused by an incident in the past.

He is a good-natured and serious person. He is compassionate and because of this, he is easily swayed and indecisive. It becomes even worse in terms of love. He is at the mercy of Mia and the others strong affections for him.