Kouta reaches out to Ryuu again. However, he remains unsure how far he wants to go in Balance, Chapter 23. Here’s a bit:
After cleaning up the mess, they made sure that the pets were properly fed. When the immediate reason for Ryuu’s return was out of the way, Kouta shifted nervously from leg to leg. He didn’t know what to say. He went to the living room and settled on the couch. Ryuu followed, sitting across from him in an armchair. Kouta tapped a nervous rhythm on the arm of the couch, trying to get his thoughts together.