Return the kiss

Seeing no way around it, Kasha let her lips meet the succubus'. The demon was aggressive, her tongue invading the elf's mouth, but Kasha wasn't about to bend over. She leaned in, wrapping her own tongue around the demon's, as well as using her hands to play with the demon's ears. She seemed to squirm, a momentary lapse allowing Kasha to push the tongue wrestling into the demon's mouth.

The adventurer stood up, slowly pushing the succubus back, a reflection of the state of their kiss.

Soon enough, the succubus' back was to the wall, and she let out a soft moan down Kasha's throat as her skirt fluttered upwards, a dark stain on the front.

"And that's it!" Miss French declared. Her own partner was gasping for air in her seat, a puddle of juices dripping onto the floor. "Short of a miracle on the part of our shy friend here, it seems only the mortal was able to advance this time." She leaned in. "You're lucky she was so turned on she was on the verge of blowing her load before you even started. Any real succubus should have wrapped you around her finger."

The shy succubus was still awkwardly making out with the doll. To her, Miss French said, "Keep going dear, give it a couple weeks and maybe you'll have a miracle~" There was a mix of malice and contempt in her eyes, for trying to get out of kissing a real person.

With each hand, Miss French picked up the two downed succubi, setting them atop her desk. Reaching into a drawer, she pulled out a long, doubleheaded dildo and a complex gag. In a moment, she was able to put the gag on both succubi, as well as the dildo that hung in both of their mouths. Then, she withdrew a pair of nipple clamps, pinching the girls' nipples together and setting the device to vibrate. Finally, she produced a chastity cage for the burly succubus and a chastity belt for the other one, locking the two in chastity. "Let's see how you two enjoy a few months of extensive oral training~ Maybe you'll be able to fare better next time~"

With that, Miss French mimed dusting her hands off and said, "Congratulations mortal, you pass. Feel free to advance on to the Intermediate courses."

The door to the classroom swung open on its own, and Kasha nervously took her leave, watching for pursuit the whole time.