[.......]

Rope?! That's not really necessary, is it?

[Even so, why do you have to tie him down..?!]

Beats me. I don't think he went there with the intentions of wrecking the place though. He and Yotsuba probably got into a fight or something. [Meaning more like Naoi chasing her around and Yotsuba running for her dear life.] I haven't really heard all the details of what happened.