“Why! Why are you quitting, Lisha!”

    Rugen McBillt hurriedly asked Lisha.

    So far, the research has gone smoothly.

    And it was going smoothly as Richa gradually fell in love with the taste of his cock.

    If we continue like this, we may be able to completely obtain Lisha.

    For Rugen McBilt, who had such a desire, these words were too sudden.

    “Because I thought it was useless to conduct further research.”

    “What?”

    Leesha explained to Rugen McBilt.

    Until now, Lisha and Rugen McBildt have continued to study the vulva.

    By understanding and grasping the structure of the vulva, finding a way to release it, developing the vulva studied by Rugen McBildt, and based on the results derived from it, I tried to find a way to release it from another direction.

    However, even after more than a week, there was no result in terms of lifting it.

    What happened was simply Rugen McBild’s development of the vulva and Lisha’s personal vulva structure.

    Moreover, since Rugen McBildt’s vulva was sufficiently developed, I thought that further results could be achieved even if Rugen McBildt studied it alone.

    “I think I have fully repaid my cooperation in removing the vulva. In addition, the changes in taste preferences when the vulva is engraved should be enough based on the results so far. It was a very valuable experience to change my mind about semen being delicious. I pray for future progress. In other words, I wish you great success.”

    ‘no! I can’t miss it like this! never!’

    “Now, wait a minute, Lisha! But that doesn’t mean you’re leaving so suddenly!”

    “Not suddenly. If I were alone, we could have done more research together, but I have a colleague.”

    With her arms crossed, Leesha explained her situation.

    “Tiel is holding it in well, but he is reaching his limit, and Mika is also expressing his opinion that it would be better to go to the academy like his original purpose rather than continue to stay here. In fact, there may be a solution if I ask about the academy’s data and the opinions of the professor who was my teacher using the data I have researched now.”

    ‘… Are you going to the academy? Then it won’t work anymore!’

    The Academy is a place full of books and outstanding wizards that are more extensive than your own laboratory.

    If Leesha goes to the academy like this, she will never come to see her again.

    ‘I can never let you go like this!’

    Rugen McBilt was already very fond of Richa’s mouth.

    Sometimes, when she sucked my dick, I felt greater pleasure than when I was studying it.

    I even thought about how happy I would be if I could occupy not only the mouth but also all other parts of Lisha.

    That’s why Rugen McBilt couldn’t let Richa go like this.

    “Risha! Anyway, this is too urgent! At least 3 days! Please stay for 3 more days! I can develop my vulva even more with you! You might be able to find a clue to unlocking it there! So please!”

    “Hmm… I get it. It must have been too sudden for you. i get it. 3 days from tomorrow. I’ll tell Thiel and Mika.”

    “Yes. Thank you, Lisha.”

    I bought 3 days.

    ‘certainly… I will definitely develop your vulva further! Richa… I can never let you go!’

    Rugen McBilt was determined to make Leesha his own.

    And Rugen McBild desperately devoted his remaining time to research and developed the vulva.

    We are also creating a new Eummunsik that adds other functions in line with the development together with Leesha.

    Although time was running out, Rugen McBildt, with his determination to obtain Lisha, finally completed a new vulva ceremony before the third and final day arrived.

    Day 3.

    Richa, who came to the lab in the morning because there were no requests, said.

    “Today is the last day. Please take care of MacBuilt. In the end, I couldn’t find a way to unlock Thiel’s vulva, but my research time with you was beneficial. Now that we’ve finished Tiel’s vulva for today, let’s do your research.”

    “Kihehe, that’s a really nice thing to say, Lisha. But before that, there is the vulva to experiment with.

    “Vagina to experiment with?”

    “Yes. Yesterday, as if inspired, I was able to discover a way to further develop the existing vulva. I’ll try that this time.”

    Richa’s eyes sparkled brightly at the mention of a more advanced vulvar expression.

    “Oh, indeed. That’s amazing. Let’s take a look at that eummunsik.”

    “Kihehehe, that’s not possible.”

    “Why?”

    “This is because the function was added. Lisha, I want you to experience the new function in an unknown state without seeing this vagina ceremony.”

    “Hoo, experience the new function directly with your body. It’s definitely going to be newer that way. Got it.”

    ‘good! ‘I’ve been caught!’

    Rugen McBilt was inwardly delighted.

    If she could see Eum Mun-sik in person, Lisha could have figured out what she was trying to do.

    However, the words I came up with about Lisha’s personality caught on, and Lisha ended up doing the experiment without seeing the vagina ceremony.

    “Then let’s start right away!”

    Rugen McBild chanted and immediately carved a vulva on Lisha’s lower abdomen.

    “It was engraved properly. So is it the same as usual?”

    “Yes. Come on… Suck it, Leesha.”

    Lisha immediately opened her mouth and sucked Rugen McBilt’s dick.

    “Chureup.”

    ‘oh.’

    And the moment she sucked the dick, Leesha opened her eyes slightly and exclaimed in admiration.

    ‘I never thought I would feel this good even if it was only my first bite.’

    Until now, the only time I felt good about having my vulva engraved was after tasting it a few times.

    But this vulva was different.

    Just by holding it once, my liking for the taste of dick increased dramatically.

    Even the previous version of the vulva could only get better after ejaculating and tasting semen.

    ‘That’s a great improvement, MacBilt. After all, it would be better to leave today for the last time.’

    Leesha was a bit wary as she cooperated with Rugen McBilt’s research.

    As the effect of the vulva becomes stronger, the taste of dick is getting better and better, Richa.

    If the effect became too strong, Leesha decided that she could easily fall into the taste of dick excessively.

    ‘If that happens, it’s a total loss. Actually, I think this level is a bit dangerous… Today is the last day, I just have to hold on.’

    Originally, she also cooperated with Rugen McBilt’s research because she was curious about sex, but in the end, Richa never had anything to do with Rugen McBilt.

    ‘MacBilt tends to be a little too obsessed with me.’

    As a research colleague, it would be nice if we ended up having sex as an experiment, but based on what I had seen of Rugen McBilt, I had come to the conclusion that Rugen McBilt would become obsessed with me the moment we overlapped.

    ‘I thought it was a good opportunity, but there’s no need to make a mess. Rather… Hmm, as expected, the cock feels very delicious.’

    Lisha decided to put aside her thoughts and focus on her cock, which had temporarily become very good by cooperating with the vulva experiment.

    “Chubbubbboob! Churp! Churp! Churrrp! Tzuuup!”

    “Ugh! Ugh… ! Ah, good, Lisha! very… good! Ugh!”

    Richa, who has been sucking Rugen McBilt’s cock for several days for research, learns how men like it better when they suck it.

    And then he went into more detail and explored the sensitive parts of Rugen McBilt’s cock.

    Richa, who gently tickles the area around the glans of the cock with her tongue and then targets the urethral opening at once, discovered the concentrated vaginal blow job on her own.

    “Huh! Ugh! Ugh! Richa… !”

    Rugen McBilt could not hold back his ejaculation for long after receiving a sexual fella from Leesha, whose blowjob skill had increased.

    Viewuuut! Viewuuut!

    For an unknown number of times, Rugen McBilt’s semen contaminated the inside of Leesha’s mouth again.

    ‘Oh, this is…’ ‘It’s quite dangerous.’

    The moment Leesha tasted semen, she felt that what she had been worried about had come true.

    A dick that was so delicious that it took just one bite.

    The taste of semen, which was no different from cock-flavored juice, had an unconventional addictive quality.

    The taste of Rugen McBillt was so great that now Lisha is considered a delicacy in the world.

    The dramatic deliciousness soon fooled Richa’s brain and made her radiate happiness.

    A feeling as if she would completely fall into the taste of semen if she let her guard down came over Richa.

    ‘This… I guess I’ll just have to pull myself together.’

    Richa also has affection for her as a magician who did the same research as Shamechi.

    So, instead of saying I should stop sucking dick right away, I thought I should just get through the day.

    No, it was also because the taste of semen in my mouth was so delicious that the desire to taste more was pushing that thought.

    “Churrrp! Chueup! Chueup! Churrrp! Chueup!”

    Richa exerted more force and vigorously sucked the ejaculated cock.

    “Huh! Ugh! iced coffee! Richa! lee… shaman! That’s how my cock is! My cum looks delicious! ha! Yes, as much as you want… Taste as much as you want! how much… Anything!”

    ‘I even took an aphrodisiac specially for today! But ugh… Haa, haa, haa.’

    Rugen McBildt even took an aphrodisiac to make Lisha completely his.

    However, the effect made Rugen McBilt even more excited than usual.

    “Ahh! Leesha!”

    Rugen McBilt, who was in a state of excessive excitement, could not be satisfied with just receiving a sucking from Leesha.

    Reaching out and grabbing Lisha’s head, Rugen McBilt plunged the root into Lisha’s neck.

    Fuuuk!

    “Sigh!”

    Rugen McBilt’s long cock invaded Richa’s throat deep.

    Sudden Iramaccio play.

    It was then that Lisha felt a change in herself.

    ‘MacBuildt. I was so excited. But what is this… Why is it that even though my dick is put in so much, I… ‘Do you feel this good?’

    Even when the dick was inserted deep into it, Richa felt more pleasure than pain.

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