Ending A is impossible to achieve. Any tips ??????????
Not impossible but annoying due to the RNG of the dungeon. Some general tips that worked for me are to spend your money on potions whenever you can. You're not going to use it to buy anything else anyway so there's no real reason to save it up. Never use the shortcut thing since as they explain in the game using it reduces your total mana whereas going through the dungeon manually gives you a bonus and increases your mana. If you go to the childhood friend's bag he has a bunch of stuff that helps you but since it's limited I'd save it for later on. Try to avoid masturbating as I believe it raises your lascivious stat and to get ending A you need 30 and below. And lastly just save a lot before you enter each floor because RNG can screw you over.
And if all else fails just edit your save and give yourself a fuckton of items.
I'd actually disagree with you on when to use the items. Spend a few days grinding money and getting as far into the dungeon as possible and then do have sex with him at the end of each day. Until you're at 15 laviciousness or so and have around 80 mana. If you can try and search the corpses of adventurers in the last section until you find some spirit wine for that early mana boost as well, but don't spend too long on it. On the last day before you are forced to bring him with, pop all 3, buy some mint and large mana potions (try and keep a stock of around 15 of each and just use the money you grab on the way to keep that total) and finish off the dungeon with half mana costs.
The next run is actually the hardest because your mana will grow to about 2.25 times what it was, but your mana costs will triple. Same strat tho, except no more having sex. Farm money for more potions and mint and get as far as you can and then purposely run out of mana before you get to full lust keeping an eye out for spirit wine. Last day pop all 3 again and go to the end. This time it will about double your mana, but less than double your mana costs.
At this point you've probably got a good stock of potions and mint and can just pop all 3 and run through start to finish no problem. I suggest having your non-buffed run be your 4th solo trip, your mana keeps doubling for the most part until that point but each increase in mana costs is cheaper overall (at 4th trip its 9x mana but you've got about 900 (~11x the 80 I suggested you start with) mana if you've found at least one spirit wine and they aren't THAT uncommon. Finish off the final trips no fuss afterwards using the remaining items (save before your 6th full solo trip in if you wanna use it to see other endings, it's pretty easy to raise afterwards whenever you want).
Kagura released patch v2 "and it fixes various syntax errors and typos".
Can you share it?