The gameplay system is somewhat nice, 1 role only for you to play and the rest is decided by other player (support). And that guild colosseum PvP is somewhat nice. It makes you interact with other players. But it has a downside of PvP with 'rely heavily on gacha' game.
The visual is simple but interesting, not overwhelmingly amazing.. but still nice. I like the character design.
The story.. i'm not sure this game even has the storytelling component. It's just some monologue line.. and a few dialogue with the duo-puppet.
This is the bad part. This game rely heavily on gacha. Just like other Japanese game. Yes, maybe in the future we can obtain more weapons. But for now, whoever goes for pure F2P, i'm not sure pure F2P would be able to enjoy this.
I'm not sure what is this game main sellpoint.. is it the gameplay? PvP? gacha? storyline? Maybe the world setting? i don't know. for example (in my opinion): FGO main sellpoint is the story and illustration. Arknights in the gameplay. Azur Lane in the illustration. Girls' Frontline in the PTSD gameplay and story...
However, you maybe found this game enjoyable. Because i did at early phase. As time flies, doing gacha if you're a job collector and colloseum(PvP) if you're competitive can hurt you enough. And all the points i mention that makes it kinda boring. "Hey, but it's Yoko Taro games!". Yes, but no. We will have a new Yoko Taro game and maybe it's better to invest your time in that game and leave this one(imo).