The review saw in VNDB by author MrKew on 2021-03-15:
I'm writing a review for this solely because of how mad it made me. It's the worst example of hypocrisy I've seen in recent years. Let this be a warning for those who came for a good harem VN. Look elsewhere. But why?
The MC's got 4 childhood friends whom he hasn't seen for years. They've all loved him then and they still love him now. Even before he arrives to live with them, they conspire for a great harem plan. In their words, the quadruplets were born together, fell in love together for the same man, and they will live together until they die. Together, they are complete (each one represents one phase of a flower with their first names). They not only love a man blindly, they also love each other as good sisters should. They don't want to fight over their beloved one. They feel genuine happiness when the others are happy, and they support each other as much as they can.
All of this is a recipe for the perfect harem game. Combined with the individual quirks, great seiyuu (including the goddess Amekawa Shino), H-scenes focused on impregnation, and captivating art, how could anyone who's into this type of game not give it a 10/10? Well...