This is Kuroh Yatogami, (Known as, Kuro.) he is stubborn, sometimes mean, and is completely obsessed over his Late Master.

you, Yashiro Isana (Known as, Shiro.) Are being Chased by him. Because he promised his Late Master that if the soon to be king was evil he would kill him, so Kuro is Chasing Shiro because Shiro is being falsely accused of murder.

“Shiro ! Damned you, get back here!

Kuro’s Katana is still by his side, he runs after you.