Chapter 23. Fellatio approved course (Sixth Grade)

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I bend over Shirasaka-san's body just like that...!

「Are you going for the third round already!...Ah, but you still haven't given your thanks for the end of the second round, so the second round still continues!」

Katsuko-san is playing dumb again...
If you say that...my feeling withers.
Un...I'm a bit tired.
As expected, doing twice on rapid fire...

「Err...You have to do it five times for today, don't you? Should we change the plans for the remaining three rounds again?...or would you want to feel the sexual intercourse with your whole body?!」

Right...It'll be hard for me if I lust greedily and intensely, it might be good to take it easy...
When I was thinking about it...

「...M-Mouth...Let me do it with my mouth...!」

...Shirasaka-san!
The lying down Shirasaka-san made a suggestion gladly by herself...!

...Oh right.
The false contraceptive Yuzuki-sensei gave Iwakura-senpai...
She did drink that...
The False contraceptive has a setup of until only three times intravaginal ejaculation...
The possibility of getting pregnant rises instead starting the fourth time.
Of course, there's no way such a foolish drug can exist...
Shirasaka-san completely trusts Iwakura-senpai it seems...Iwakura-senpai's depth of her heart is caught by Yuzuki-sensei so...an unhappy chain is completed.

Also...I already ejaculated inside Shirasaka-san twice...
There's one more for the limit...
She should be resorting to fellatio or it'll be dangerous...

「Shirasaka-sama, it's your first time doing fellatio, don't you?!」

Katsuko-san asked Shirasaka-san.

「...Yes」

Shirasaka-san nodded with a gloomy face.

「That's wonderful! What greed on sexual deside!...Shirasaka-sama is really a lewd woman isn't she?! This 『Inran-san』! I will be calling Shirasaka-sama 『Inran-san』from now on, do you mind?...!!」

...I-Inran-san, she said.

「...That's...please stop...」

Shirasaka-san refused it immediately as expected.

「That's a disappointment!...Even though Shirasaka-sama should already be the Princess of the lewd world!」

...Enough.
...Katsuko-san. Enough of that already.

「Oh right, I just remembered!...Shirasaka-sama's a beginner in fellatio, aren't you? Then, this imcompetent me, Katsuko will be teaching Shirasaka-sama the beginner class for fellatio techique!!!」

...Uwaa, Katsuko-san turned to a teacher!
F-Fellatio teacher...!

「I think it'll be a somewhat harsh lesson but please accompany me!」

Katsuko-san's smiling persistently...!

「...P-Please」

Shirasaka-san bowed her gloomy face on that Katsuko-san...
Then...Katsuko-san's fellatio lesson began!

「First, Yoshida-sama, please sit on the edge of the tatami mat!」

Being told by Katsuko-san...I sat down on the edge of the mat that's risen by around sixty centimeters from the wooden floor.
I opened my legs and sat down.
On the middle of it is the penis that's on the after state from the second ejaculation...

「Then...Shiraskaa-sama, squat down between Yoshida-sama's legs and serve his honorable penis!」

Oooh...so that's the posture!

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