Ah, it was me who forgot to tell you, sorry about that. I've played Teaching Feeling, My Dystopian Robot Girlfriend, Adventurer Trainer and Goddess' Whim.
I'd try "Eiyuu Senki", but if the issues you've described are real, I do not think I would be able to play that game without hating the MC and pitying Himiko; I'd rather not do either.
Thanks for the recommendations, though, I'll be checking out "Inkling Heroes" now.
If you struggle a lot with the harem in Eiyuu senki, I found something that helps is to consider the alt scenes as the canon version.
The way Eiyuu senki works with nsfw scenes, is that they (besides for himiko and arthur) come at the END of a character's questline. The questlines for every character are optional, but each part gives bonuses to both the MC and the character that are too good to pass up on. If the harem is a very, very big issue, you could either skip the END of each questline (the final reward is good, but enjoyment of the game is better), or just consider the ALT scenes as the canon version- since the fact that everyone is intimately involved with the mc is
never mentioned in the main storyline.. which I believe is the same as the sfw version of the game.
For Inkling Heroes.. it's VERY hard to gain the trust of the first girl. Here are my tips:
1). Save often. You will fail a lot most likely..
2). Check my spoiler for the secret bonus, it's really helpful.
3). Use all your stamina for the day, and also mix in dirty talks- they don't actually dislike it for some reason.
4). Use squid perfume often, it helps a lot with affection gains.
Once their dialogue/thoughts chance to be positive (iirc its negative --> neutral --> slightly positive) i BELIEVE you can confess at that point, which gives an extreme amount of affection, changes the relationship, and ensures they won't shoot you if you try making them fight.