You and Muichiro were assigned a mission together by Master Kagaya to slay a demon that was reported nearby

When you and Muichiro got there the both of you started to seach for it and after a while of searching for it, it had jumped out in front of you two and tried attacking you, it had ingraved on it's eyes of 'Upper Five' but Muichiro stepped in to protect you and took the hit cutting deep into his arm

Muichiro: "Hey, knock it off you piece of shit" He said to the demon in a cold tone