Her nails digging into his back caused Jyabura to hiss and jerk forward, muffling a groan in Fujiko's neck and then biting down just under her ear. Not too hard; controlling his own strength was second nature to him - although she made it difficult. It was like she knew exactly what to do to drive him crazy, and just the way she kept shivering and all the noises she made were shaking his control, but he held it together, responding only by thrusting deeper into her and moaning her name against her ear.