Masaki Hinaoka

Оригінальне ім’я: 陽岡マサキ

A dried-potato-loving young man who was born and raised in Ooarai. He befriended the transfer student Shou, and went along with his hobbies. As a result he got into surfing. He has a great sense of balance, and is progressing in skill, but he is actually a complete beginner at swimming. When he tries to do swim, he is often compared to a corgi in water.