Massive Size Gap Beast Sex! haison's Full-Throttle New Doujinshi is Now Available for Pre-order!

2026-05-31

Hello everyone!

This time, we are excited to introduce 繁殖牝馬プロジェクト, an original bestiality-themed doujinshi by haison(ハイソン)!

Haison has just opened reservations for a brand-new doujinshi that dives headfirst into steamy interspecies sex with horses!

While haison has created many hot horse x girl doujinshi before, this time the focus is on breeding.

True to the theme, a cute girl with horse ears gets relentlessly mounted and filled with thick cum by a powerful stallion!

The overwhelming size difference between the tiny girl and the massive male horse creates an incredibly erotic and intense atmosphere.

If you’re into that, this is a must-have for your collection!

We've also put together some of haison's previous works for you.

Whether it's Fate series doujinshi or original comics, you can expect one thing — the girls are almost always getting mated by animals!

If you love bestiality content, these titles are absolute heaven.
Be sure to check them out!

That's all for this article. See you next time!

Fate Series, haison, Ouma no Oyome-san

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