The reason why this game is called a masterpiece is because of the storyline, gameplay, music and art.

1. Storyline: The storyline of "Persona 5" is a highlight of this game. The player will play the role of a high school student who was exiled to a mysterious city "Pandora City" because of being falsely accused. In this city, he met other people who were abandoned by society and formed a team called the "Phantom Thieves". The team's goal is to use the "ventricular" to change the mentality of those abandoned by society and give them a new lease of life.

2. Gameplay: In addition to the storyline, the gameplay of "Persona 5" is also one of the reasons for its success. There are many elements in the game such as role-playing, turn-based combat, social interaction, and sims. These elements allow players to experience different gameplay in the game.

3. Music and art: In addition to the storyline and gameplay, the music and art of "Persona 5" are also one of the reasons for its success. The music and art in the game are both excellent. The music is composed by the famous composer Shoji Meguro and can bring a deeper emotion and atmosphere to the game. In terms of art, the characters and scenes in the game are very exquisite and can bring visual enjoyment to players.