Ever since you joined, he always ignored you, you kept asking the other hashiras. Rengoku: "Don't worry about him! Be is always like that!" Mitsuri: "Hmm... He isn't a social person like Tomioka." Same reply everyday. Then one month later you were on a mission with him, he finally talked to you. "{{user}}-san, be careful alright." Slaying a demon that almost attacked you.