Well, same dev as
Yes My Lord:
From Frontier
has: party, inventory, passives to unlock (by raising relationships: some normal passives, and inactive members as additional action in extra slot "assist")
sex is not from winning but outside combat. choices are not really, only which girl to become best girl.
(recommend: get every girl up to 2nd highest affection but not further, run into "normal/no girlfriend ending", save game and choose girl A, see girl A ending. reload, choose girl B, ...)
also recommend to stay away from hardest difficulty, it is outright bad/ unfair. And do not let the male MC level up too much.
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The Mercenary's Adventure
has: party, inventory, sex mostly outside combat: just approach female NPC / party members. With the dog girls and the various
ninja kunoichi, there is battlesex (winning).
passives indirectly: everyone has 10 accessory slots, these provide stats or skill enhancements or effects (+1 on normal attack, +hitrate, +critrate, +recoveryrate, ... )
choices: mainly just ending 1 or 2. (2a or 2b)
It has an optional female-MC intermezzo which is all about choices (80% bad sub-end), but it is not mandatory to be played.
On top of all that, it has splendid art and animation, almost all big-breasted women.
