Saizou needs to know that Kazuki accepts all of him, and Kazuki is perfectly pleased to show him. Porn, Fluff, I-4

Every protective impulse in Kazuki urged him to gather Saizou to him, to hold and reassure him, but Kazuki knew from personal experience that protection wasn’t always what was needed. This time, instead, he made himself relax and lean into Saizou’s chest, let himself be cradled in Saizou’s arms. The catch of Saizou’s breath told him he was right. "I always trusted you," Kazuki said softly. "And I was never wrong."