Vert, also known as Green Heart, is Leanbox's Console Patron Unit (CPU), and unlike the other CPUs she has no younger siblings. Behind Vert's kind, graceful, and regal demeanor lies a hardcore video game addict. She has grown accustomed to acting as the big sister to all the CPUs due to the fact that she has no siblings of her own. Vert is a very kind and mature woman who often plays the maternal role of the CPUs due to not having a sister herself. she is shown to be very caring to others and very wise, but can also be playful at times as well. She is shown to be the most level headed out of the goddesses at most times. Green Heart's personality is typically the same as her human form albeit just a bit more serious and slightly arrogant than before, but still with playful tendencies here and there, especially when it comes to her bust size. Blanc falls victim to her teasing the most.

The CPU of Planeptune, and the self-aware titular protagonist. She transforms into Purple Heart. Neptune is the human form of the CPU Purple Heart. She is often considered to be energetic and dorky. Her favorite food is custard pudding and she loves playing video games. Eggplants are her most hated food, stating that they are not "people food". While she enjoys playing all games, she especially loves Retro video games. Purple Heart is the goddess form of Neptune. She is considered to be cool, collected, just, and overall much more mature in comparison to her human form. While the personality and appearance change is major between the two forms, she still retains some aspects of her human form albeit to a lesser extent.