https://www.dlsite.com/books/work/=/product_id/BJ500462.html
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Aoharu Equation "Please...I want you to fuck me...I'm so thirsty already?"

"I can't...! It feels so good I'm going crazy..."
Yurina, a so-called "plain girl" who doesn't stand out, is invited to a drinking party by Aya, a gal she has known since childhood, but she can't stand the teasing from her classmates
She can't stand the teasing from her classmates and runs away from the party. Yurina, wanting to change her shy self, remembers Aya's advice, and musters up her courage to ask Takuya, another childhood friend, for a favor...
"Aya-chan said... that if you have sex with a boy, you'll change."
Yurina, who is unbuttoning the buttons of her breasts, presses closer to Takuya, who is unable to control his rationality...

i can tell this will go NTR

Base +10