Gameplay wise, it's your typical RPGM game but refined to its near finest, game is balanced decently and player is not overpowered or underleveled, being just right if they progress the game normally, offering the player a decent challenge especially against the secret boss.
Storywise... It actually ties everything up very well, utilizing foreshadowing elements from all 3 previous game in the series and culmulated into this game's story. I'd recommend (re)playing 1-3 before this game, but it is not needed.
Unfortunately, adult-content wise feels lacking in comparison. It stands well on its own, but not as refined as the other aspect of this game - the interactions (whether sexual or normal dialogues) with heroines that changes accordingly to game progression and favorability is quite great, just not the scenes themselves.
There are a lot of unused/abandoned contents seen in development blog such as 69/alternate Paizuri scenes, and some heroines is noted to have slightly more contents than others.
3P/harem scenes update is coming sometime in the future though.
Overall though, being a single dev-made game, it still deserves a 5.
Storywise... It actually ties everything up very well, utilizing foreshadowing elements from all 3 previous game in the series and culmulated into this game's story. I'd recommend (re)playing 1-3 before this game, but it is not needed.
Unfortunately, adult-content wise feels lacking in comparison. It stands well on its own, but not as refined as the other aspect of this game - the interactions (whether sexual or normal dialogues) with heroines that changes accordingly to game progression and favorability is quite great, just not the scenes themselves.
There are a lot of unused/abandoned contents seen in development blog such as 69/alternate Paizuri scenes, and some heroines is noted to have slightly more contents than others.
3P/harem scenes update is coming sometime in the future though.
Overall though, being a single dev-made game, it still deserves a 5.