Yuzuha opened the door

Kazuma almost jumped as the door opened. He turned his head to look up and saw a pair of bare, shaved legs. It was probably Yuzuha, Satsuki's mother. Kazuma mind began to reel as he tried to think of a defense in this situation. This isn't good, he thought. She's probably going to scream and try to get me off of her daughter. Hopefully she'll notice the horns.

"Oh my," Yuzuha said from above Kazuma. "I guess things didn't work out." Puzzled by her odd reaction, strained his neck to look more up when he saw what looked like a tail coming from behind Yuzuha. The tail was black and had a flat, spade tip. Startled by this, Kazuma jumped off Satsuki and stood up. In the door way, he saw Yuzuha. She looked exactly the same as she did when he saw her years ago. It was like she didn't age at all. However, he did see she wasn't entirely the same. She had pointed ears, like her daughter, and a pair of horns.

"What th..." he began, but he before he could finish, Satsuki got up and tackled Kazuma onto her bed. Once on the bed, she frantically started to remove his pants. "I'm sorry about the confusion," Yuzuha said as she walked towards the bed and sat down next to him, her body pressed against him. "But Satsuki needs you right now." As Yuzuha spoke, Satsuki was able to remove Kazuma's pants and started to pull down his underwear.

"What are you?!" Kazuma asked. "And what is going on?"

"I'm a succubus," Yuzuha answered as she leaned onto Kazuma, placing her face right next to his. He could feel the warmth of her breath against his skin. It was surprisingly arousing. "Satsuki is a half-succubus. When she turned 18, her succubus nature awakened." Satsuki had removed Kazuma's underwear and quickly engulfed his cock.

"Wait..." Kazuma protested, but was stopped when Yuzuha placed a finger over his mouth. "It's ok," Yuzuha whispered seductively into Kazuma's ear. "She wanted to do this with you, but I will let her explain."

Kazuma was worried afraid that Satsuki would handle his dick in a painful way, maybe even bite it off. Instead, she was handling it with surprising care. None of her actions felt painful. In fact, they felt the opposite. Satsuki was expertly sucking on his cock, her tongue moving along it at just the right places and in just the right way. It was like she was trained for this. He could also feel that she was being frantic about it. She wanted him to cum as quickly as possible. Kazuma was trying his best to hold back.

"Just let it out," Yuzuha whispered in a sultry tone. "Give her your seed."

Hearing that, Kazuma felt his resolve to not cum quickly evaporate. Jizz began to erupt from his dick into Satsuki's mouth. As soon as it entered her mouth, her face changed to an expression of joy, maybe even bliss. He sucked harder on his cock, swallowing all of Kazuma's cum.