I'm 90 years old and the system tells me it's time to create harem

At this moment, Alexander's penis had become extremely hard, swelling to an incredibly exaggerated extent.

Isabella was nearly frightened by this colossal phallus. Somewhat flustered, she moved behind Alexander, wrapping her arms around his. 𝐛𝗲𝗱𝗻𝗼𝐯𝐞𝗹．𝐨𝐫𝗴

Unbeknownst to Isabella, the friction of her firm, round breasts against Alexander's back was igniting a fire in his heart that he could no longer contain.

"Stop staying behind me, come in front of me!" Alexander said with an urgent voice.

"Alright...okay." Isabella moved in front of Alexander.

Looking at Isabella's breasts, Alexander had a sudden idea.

"Use your breasts to hold my penis, and then shake them up and down. I think it's a great idea."

Though Isabella was awkward in her approach, she complied with Alexander's request. Watching his penis head extend and retract between her cleavage, she found it curiously adorable.

If it weren't for the shower gel covering it, she might have given it a kiss!

In the bathroom, Isabella vigorously helped Alexander with the intercrural sex, soon soaking her long hair with sweat.

Seeing Isabella's red, flushed face from her hard work, Alexander found her adorable, kissed her forehead, and said:

"Let me show you just how wonderful it is to be a woman after we finish washing."

"Alright!" Isabella nodded, a smile of anticipation appearing on her face.

Isabella helped Alexander clean up one more time before he carried her to the bedroom.

He carefully laid her down on the bed, and then climbed on top of her, kissing her from her forehead and downwards.

As Alexander licked her nipples with his tongue, Isabella twisted her body continuously, moaning: "Ah... Alexander... it feels... so good."

"The real pleasure is just starting. There's even more to come."

Alexander grinned, leading Isabella's hands towards his penis.

Her delicate hands held Alexander's penis, slowly stroking it back and forth. Looking at the majestic sight, she was once again taken aback.

Even measuring the size of his penis with her hands was an endeavor, especially the large glans, which looked like a strange large mushroom.

"You cleaned it so well earlier, why not give it a taste?" Alexander gently suggested, moving his body forward and positioning his penis near Isabella's mouth.

"Alright... okay."

Isabella obediently opened her mouth and took Alexander's penis into her mouth bit by bit, as if she was sucking an ice pop, with her hands holding the shaft.

Alexander's penis was too attractive, unbeknownst to Isabella, her arousal had already dripped down her thighs and onto the bedsheet.

"Do... do you have... a condom?"

Alexander spread his hands, "Why would I have such a thing?"

"But what if I get pregnant?" Isabella asked, somewhat troubled.

"If you get pregnant, of course, you will marry me!"

Alexander removed his penis from Isabella's mouth, and his body gradually moved downwards, his rock-hard penis nudging against her sensitive labia.

As Isabella had previously told him she had never had a boyfriend before, Alexander didn't want to be too rough this time.

He rubbed his glans against Isabella's vaginal lips, and the gentler he was, the stronger her desire to be completely penetrated became.

Isabella also followed Alexander's movements, her body twisting to make her wet genitals rub against Alexander's penis as much as possible.

During this process, Isabella quietly grabbed Alexander's penis and aimed the large head at her own genitals.

"Please, insert it. I...I'm ready," Isabella gasped.

"Okay, I'm going in. It might hurt a little, so please bear with it," Alexander replied.

"It's okay. Although I'm not as good as you, I'm also a psychic. This pain is nothing to me," Isabella said.

Alexander pushed forward, making the head of his penis open Isabella's labia and then slowly inserting it deeper and deeper...

During this process, Isabella tightly grabbed the sheets with both hands and didn't make a sound because her hymen broke and a small amount of blood flowed out, leaving a red mark on the sheets.

Soon, Isabella adapted to Alexander's rhythm again, and her vagina was filled with fluids once more.

With Alexander's thrusts, a crisp "squeak-squeak" sound was made.

Alexander's penis completely filled Isabella's vagina, and although Alexander's movements were gentle, they brought intense pleasure to Isabella.

"Ah...Alexander...dear...you're so thick...so hard!" Isabella moaned.

Hearing Isabella's words, Alexander became even more enthusiastic. He supported his body with both hands and began to thrust harder.

As Isabella moaned louder, Alexander's movements became more intense.

"Ah...so big...oh...my little hole...it's breaking...ah...ah..."

Isabella was getting dizzy from Alexander's thrusts, and all her muscles were spasming. Alexander kept watching her jiggling breasts and grabbed them with both hands.

"Such beautiful breasts...they're really beautiful!" Alexander leaned down and sucked on one of Isabella's nipples while continuing his movements below, sometimes gently and sometimes hard, so that Isabella could only hold onto his body tightly.

Since practicing the supreme yin-yang dual cultivation technique, Alexander's sexual ability had become incredibly powerful. In less than ten minutes, Isabella had already been brought to two orgasms by Alexander. Her vagina was so wet that the sheets were soaked with both fluids and blood.

However, Alexander didn't show any signs of ejaculating. His penis remained hard as a steel rod and continued to thrust vigorously.

Isabella's legs were spread wide open, and Alexander's penis penetrated deeply, almost hitting her cervix with every thrust.

"Ah...dear...too...too deep...I'm...I'm about to break...oh...I can't take it anymore..."

"Ah...you...you're too good..."

Isabella cried out almost frantically, making Alexander even more unreserved in his movements.

Isabella had thrown away all her feminine restraint, and her mind was focused only on the mature and handsome Alexander in front of her. She just wanted to reach the peak of desire with him.

Finally, Alexander also reached orgasm. His penis thrust hard against Isabella's cervix, and his semen flowed into her uterus like a warm stream.

Isabella tightened her vagina around Alexander's penis, seemingly trying to suck every last drop of semen out of him.

The excitement of orgasm lasted for a long time, and it took Isabella a while to come down from it. She carefully took a tissue and wiped off the remaining fluid from Alexander's penis.

"Why didn't you leave immediately after you ejaculated? Aren't you afraid of getting pregnant?" Alexander asked, puzzled.

"Because...because I really want to marry you," Isabella said courageously. "You said that as long as I get pregnant, you'll marry me. Are you serious?"

Alexander hugged Isabella tightly and said gently, "Silly girl, as long as you're willing, I can marry you at any time."

"Really, dear..."

Then, Alexander and Isabella went into the bathroom again and took a shower together. Alexander once again explored Isabella's body without restraint.

As a result, they made love in the bathroom until late at night before returning to bed, snuggling up to each other in a warm embrace.

At the same time, Alexander's ear heard the sound of the system prompt again.

"Congratulations on adding one member to your harem, host. Lifespan +5."

"The 'Supreme Yin-Yang' dual cultivation technique has reached a new level. Host's talent indication has reached B-level."

"Congratulations on mastering the medical skill: Universal Acupuncture.