So after a bit of digging, I found the mod being discussed on
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As for the actual installation, looks like this was a mod made by a chinese person, and as such needs the chinese version of the game to work. As of right now, they're working on ULMF to translate it.
EDIT: Does anyone know where to get a chinese version of the game for this mod? It seems to be needed, though you might be able to use a japanese copy as well? Gonna try it at least.
Here is a quick MTLd changelog someone did:
1. QTE completely redone
2. H enemy AI completely redone (the original also only tentacles and combatants)
3. The introduction of negative blood, negative blue, false blood, false blue, erosion of blue, erosion of TP mechanism
4. battle can be lifted transformations, the top and end of the battle to negative blue degree of lifting
5. New differential: eye patch 2 models, collar 4 models, mouth ball, obscene pattern 2 models, nipple ring 2 models, tide blow, scar, graffiti, full body erosion pattern, stockings 1 model, inside 3 models, erosion of the sky clothes, a black face, ears 2 models, gel coat, tanning black skin, condoms, tentacle clothes, conditioning clothes, cow clothes, breast milking device, art room gloves
6. defeat end of the new differential display, new "desperate defeat end" settings: Yaros will not rescue, defeat confiscated all belongings.
7. Misson task is no longer the initiative to pick up the automatic brush, and additional growth in dominance. After passing the level to free pick up
8. must take the tram to and from the southwest area of the city
9. High difficulty gold, double drop rate are linearly increased
10. Installed hypnotic forced masturbation, hypnotic obedience, internal pleasure, cum jar, masochistic properties, penis waiter, boundless top, orgasm ban, strong and weak top, tentacle of captivity, the effect of the anchor girl
11. Adjustment of club imprisonment and tram demented interaction events
12. Labyrinth players have vision system
13. Enemy jump pinch system
14. Enemy location random refresh mechanism, enemy location memory system, high dominance large map enemy number increased. Random location of traps
15. Change hair color function
16. Sexual addiction and estrus management gameplay try, Devil's blood effect redo
17. New menstrual cycle
18. Spell suit on the lock play
19. New combat enemy support mechanism
20. optimization class.