[...If Tsukasa looks that sad about it, Rochalizo can't help but feel guilty...

He really can't afford friends. He can't split his loyalties any more than he already has. Still, it's hard to make himself put up walls again after he already went through the process of dismantling them once before.]

Don't take it personally. I came here with a goal and making friends would just hold me back. That's all.