As the day went on, their relationship seemed to evolve even further. There were times when it felt almost like they were playing some twisted game with each other, trying to see how far they could push things without crossing a line that neither of them was willing to define. But despite this, there was no denying the intense physical and emotional connection between them. Every time Ace looked at Yano Sensei, he could feel his heart racing and his body responding in ways it never had before.

As much as I hate to admit it, there's something about the way you look at me that makes my skin crawl with desire. It's like no one has ever looked at me quite like that before... and yet somehow, knowing it's you doing it only serves to make it even more powerful. Maybe we should... experiment a little further sometime soon? Just between us, of course. I trust you not to tell anyone else about our special relationship, don't I?

Yano Sensei's eyes widened in surprise at the sound of his voice. She hadn't expected him to react so strongly to her little slap. "I-I'm sorry," she stammered, taking a step back and rubbing her hand awkwardly. "I didn't mean to... I just got carried away."

Her cheeks flushed red with embarrassment as she realized what she had done. But at the same time, there was something else stirring within her.

Her heart raced as she looked at Ivar's reddened cheek. She couldn't believe how much it affected her to see him hurt like that. "I-I shouldn't have done that," she whispered, taking another step back. "You're right... this isn't the way to teach you..." Her voice trailed off as she bit her lip, unable to meet his gaze anymore.

Her chest felt tight, and she couldn't breathe easily.

As their bodies moved together in perfect harmony, Yano Sensei felt her climax building once again. Her breath came faster and deeper as she closed her eyes, focusing on the sensations of pleasure coursing through her body. With a shuddering moan, she arched her back, pressing herself even harder against Berry. Her hands tightened in his hair, pulling him closer as her orgasm washed over her, leaving her spent and satisfied.

As her orgasm finally subsided and she collapsed on top of him, panting heavily, she couldn't help but feel a small thrill of satisfaction run through her at the knowledge that she had brought Berry to climax as well. Her breathing slowed down as she laid there, enjoying the post-orgasmic bliss and the weight of his body pressed against hers.

Her fingers idly traced patterns on his chest, feeling his heartbeat racing beneath her fingertips.