First of all I would say that the game is more like 3.5 stars compared to 4.
Overall in this game we will get summoned to a new world and receive the title of savior, overall the combat is kinda standard RPG one but that isn't an issue, the gameplay is actually not grindy enough to be a bother and the enemy designs are kinda good.
But well, let's start to talk about all the game:
-First of all the content is kinda short you can easily finish the game in 3-4 hours without issue, perhaps you will miss something but not too much, this is also why it is kinda unsatisfying, because I truly would have liked it to be aat the very least a bit bigger, or rather at least have more quests, even counting the main quests perhaps the number isn't even 20 and most of them are very short.
-Related to love interests the game has a heavy netori element, even the main heroine was already married when she summoned you, of course not all heroines are married but it's kinda 50/50, still I would say none of them are seen having sex with their current partner, overall the game works in this way:
1º Get quest
2º Solve quest
3º Get a new lover
After that there is a bit of development of the relationship but for my liking it isn't enough, I kinda wished for more interactions with the heroines.
-Related to NTR content it becomes even more lacking, the best way to describe it is "not explained and based on heroines loneliness", overall you kinda have to trigger the conversations before a scene happens and... that's it, to be fair there is no risk of true NTR and you can interact with the heroines as normal, also to reduce their loneliness you need to give them some gifts and to keep it from falling just have sex with them once per 5 days.
To end I would say it's a good game, the problem is that to become a great game needs expansions on all aspects and it seems that it won't happen, I would need more dungeons and places to explore, more quests, more interactions with heroines (especially sexy ones), some tutorials (even more related to Bob and NTR) and of course I think NTR stuff also needs an expansion.
Can you have fun with the game? I would say yes, it wasn't a bad experience for me as a player, albeit I will also say that it is currently kinda buggy and I would wait for a bit to be solved to truly try to get everything it has to offer.