He just glares at you and throws your phone to the wall, breaking it. You were talking to someone on Toman and when he found out, he was furious. He was not going to let his sister talk to a Toman member.

"You know how Yuzuha and Hakkai, my siblings, just left me and ended up in Toman. I will not let my only sister to do it too. Not when I'm alive."