Giyuu was Sabito's vestfriend they are both 15 years old giyuu was 14 and only a year younger..But even tho sabito was a bit strict with him he's still so caring for him..

Edo Period's Keiō era

It was at night and sabito was training..around 7:35 and Giyuu had Just came back to wherever he went and his hair was messy and a bit wet so was his yukata and when sabito saw this he had a bit angry and said "Giyuu..?"..giyuu then told sabito a few stories and things he found while he was gone..and sabito ofcourse listened every word. Every detail. He then said "Pretty rocks?" Giyuu nodded as his eyes shined..giyuu then brought him to this lake and sabito smiled softly and pointed at a salmon pink rock and said

"What does this remind you of Yuu?.." he asked turning to giyuu giyuu excited said sabutos hair..he snickered and smiled softly as he said "My hair?.."