https://www.dlsite.com/books/work/=/product_id/BJ01053131.html
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Chapter 1 (Chinese): https://e-hentai.org/g/2570032/0cb6325250/
Chapter 2 (Chinese): https://e-hentai.org/g/2570042/7b17ecfaff/
Chapter 3 (Chinese): https://e-hentai.org/g/2572057/f769a5e711/

The reason why I lost my virginity to a married woman ~My first time having sex with my Netorare wife~

Akira was about to be late and left the house in a hurry when he bumped into the breasts of the busty married woman next door, Saori. He ran away from the scene, but the soft sensation of the feeling never went away, and he was still feeling uneasy when she suddenly came to visit him at home...!?
While Saori was treating him to a home-cooked meal, he couldn't take his eyes off her cleavage, and when she got drunk, she leaned over Akira and asked him, "Is this your first time? She starts to seduce Akira, saying, "You're so big...harder than my husband..."! Akira loses his virginity with her nasty hips, and he shoots his semen into Saori's hot and wet vagina...?