Shoujo Kankin - Inu - Haramase Rankou - Shussan

The protagonist abducts the company president's daughter, confines her in a public toilet, and sexually violates her repeatedly.

She has intercourse with a domestic dog. She also sucks dog d*ck and swallows its sperm.

After that, several men intravaginally penetrate her and cum in each of her holes, inseminate her, and she gives birth.

[From DLsite English]