Boys' Love Novels Kin love B-Prince Library

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The cape where he was invited to the laboratory of his cousin Yuma, who had been feeling unrequited love since he was a child, and met again for the first time in 10 years.
He was active as a spirited researcher, and it was a cape with an adult charm and a calm and heart-warming feeling, but he was swayed by the same calm and nasty words as before.
"Let's try how much we have grown to be adults."
The cape which rode the provocation of the calm is disturbed by the warm kiss of the calm and the lewd use of fingers?
The end of the long first love which is too close to each other and passes by …?