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Let's make out, bear boyfriend-kun.

"Rina's inside is the best." Kyo-chan embraces me with his strong body like a bear... He loves me deep and often with his big cock...
--Rina Nagahachi, a college student, lives with Kyoya Irie, a plasterer, in a small 1DK room.
Kyo-ya is usually loose with her, but at night, he wants Rina like a beast.
He wraps his thick, muscular arms around her, bites her sweetly, and thrusts deep and full of heat....
Meanwhile, in the next room, Yuya, an adolescent virgin, is bothered by the sound of them having sex.
He decides to go into the next room to make a complaint, but when Rina comes out, he is captivated by her...

English Webtoon version: https://comiko.net/series/80327/ichaicha-shiyou-yo-kumakei-kareshi-kun