Hi.
You're making a really nice game here, however it doesn't really feel so much like a game, but an interactive movie.
There's not that much for one to do other than to watch the erotic scenes that play out:
The main character doesn't really have a goal. The other characters don't have much in the way of a personality other than horny and oblivious. I'm not even really sure what the whole point of everything is, so a small piece of advice is to have certain elements be more interactive for players.
Some ideas include:
1. Having the option to skip the opening scene, since it really doesn't have much anything to do with the story, at least for right now, also if you've seen it once before it would be easier to avoid it and then just jump straight into the game. The same with the dream scene. It's very obvious what's going on with these scenes, but because of the slow nature of the updates they feel like a carrot on a stick, rather than an endearing piece of info.
2. Have the main character have some sort of personality through actions; the problem with 'Adventurer' being a silent protagonist is that it doesn't feel like he matters, so much as we're just pressing forward to get him caught into different events. Like with Breath of the Wild (zelda), Link was a silent protagonist, but there was so much to do in the game that you could enjoy the world and forget the main quest. With that said, maybe add a extra few events into the game that can flesh out what kind of personality the players want him to have: from sacrcastic asshole to endearing goofball. That way each playthrough will feel different, since you're probably not going to finish this game within the next year, right?
3. More events. Specifically, events involving the different towns. Like for the starting town, allow players to workout at the gym after the teasing event to increase stats in exchange for payment or for a good time with the gym bull. Maybe even have a boss battle with him after so many training sessions. A delivery from the lion girl in the village to her brother would be nice, maybe she gives a kiss, weirding the character out or making him blush.
4. Weapons: It would be nice if the first three were given for helping the people around town, or finding them nearby instead of just having them be sitting around.
4a. More weapons + more enemies. - I know that you have a lot of hidden weapons in the game (the dual attack one from the weird tiger was a beaut to play with when it dropped) but maybe think about adding more or upping the damage of the ones in question, since battles can be a slough when they do come around. Also, adding in some random enemies for players to fight will make this game more fun, because as it...there's really not that much to do in between getting from event to event. It's one of the reasons why I skip updates, since watching someone else play it feels better than going through the game myself.
5. Skip Erotic Scenes: It may sound odd, but if these could be skipped, but still accessible via the 'show room' that would be great.
6. Bird and Wolf events: Perhaps have two or three events for your companions to do in and around each town, that way they don't feel so much like walking dildos that can talk. It's cute the first couple of playthroughs to watch them bungle, but after the fifth update trying to play from beginning to the current end it gets really grating to deal with them. I know you have a saved playthrough in the game, but then it doesn't feel like we're playing a game, but just watching a movie. Mayhaps have the bird get tangled up in a problem and need to make a potion or something of the like to get himself out of said trouble, or maybe pay with his butt? As for wolfy, maybe have him get into fights with other guys and have to fight one-on-one with them, increasing a hidden rank which will be noted by other NPCs in other villages, thus leading him to bigger and stronger competitors.
7. Mini-Games: I have two scripts you can borrow, if you like. One is for a dice game, where you roll X number dice in a chance to get money. And I have a blackjack script. Putting these in the game might be nice, since they would allow players to get extra money, seeing as money is a rare resource in game.
8. Let the players bottom. I get that the point of the story is that something has happened to make all the men in the game over 6 feet tall and 200+ pounds bottoms, but I think it might be time to have the player's character bottom himself, just because the novelty of the whole game is starting to wear a bit thin. (This game has been in development for +2 years, right?)
9. Up the item drop rate. There's a number of items in the game that most players just won't get because of how fast the game is, like I literally forgot about getting the slime gear for bird boy because it wasn't necessary for the game, so maybe giving a piece of gear that will let items drop quicker would be good.
10. I don't know how far you've come to mapping out the entire game, but perhaps you might want to think about getting a hand with making the other areas and such, if just because, at the current rate you're going, you're going to be spending so long on this game that people will probably start getting a bit bored with it. An extra hand will let you speed up your development time, plus give you the chance to bounce more ideas off of than what I've thought of here.
With that said, great going so far, and good luck in the future.