Purple Heart-The combat-specialized form Neptune transforms into using the secret art, Transformation Command. Her name is derived from her purple-based ninja outfit, "Cross". She becomes more mature, but her ditsy nature still finds a way to peek through.
Black Heart-The combat-specialized form Noire transforms into using the secret art, Transformation Command. Her name is derived from her black-based ninja outfit, "Cross". She becomes a bit more aggressive and confident post-transformation.
White Heart-The combat-specialized form Blanc transforms into using the secret art, Transformation Command. Her name is derived from her white-based ninja outfit, "Cross". She becomes more blunt and her words are violent post-transformation.
Green Heart-The combat-specialized form Vert transforms into using the secret art, Transformation Command. Her name is derived from her green-based ninja outfit, "Cross". She becomes a cool older-sister type who is ruthless to those who oppose her.
Neptune-One of the 4 Ninja Goddesses. She's bright and energetic, and isn't great at serious atmospheres. Perhaps it's because of this that she goofs off and says (meta) comments no one understands.
Noire-One of the 4 Ninja Goddesses. Though she cares about her friends, she finds it hard to be honest with her feelings, which causes her to occasionally say harsh things.
Blanc-One of the 4 Ninja Goddesses. She's quiet and prudent. She often thinks before she acts.
Vert-One of the 4 Ninja Goddesses. She is a soft-spoken older sister type, able to do anything easily and flawlessly. She obsesses over things she likes.
Asuka-One of the 4 Honeypa Ninjas. Her bright personality lets her get along with everyone. She'd rather train and swap skills than fight. She uses Shinobi Transformation to fight, donning her ninja outfit to strengthen her physical abilities.
Homura-One of the 4 Honeypa Ninjas. She's straightforward, compassionate, and cares for her friends. She seeks strength for herself, and loves to fight with other strong people. She uses Shinobi Transformation to fight, donning her ninja outfit to strengthen her physical abilities.
Yumi-One of the 4 Honeypa Ninjas. She has a strong sense of justice, and a serious personality. She uses Shinobi Transformation to fight, donning her ninja outfit to strengthen her physical abilities.
Miyabi-One of the 4 Honeypa Ninjas. She has great foresight, and is very decisive, She has a strong sense of duty, and fiathfully carries out all missions. She uses Shinobi Transformation to fight, donning her ninja outfit to strengthen her physical abilities.
Goh the Crow-A mysterious black-clothed ninja who lost her memories. She only remembers her name. Possibly to find clues to her identity, she attacks any strong ninja without hesitation. Her catchphrase is "Be punished."
Histoire-The daimyo of Heartland. She holds a vast amount of knowledge, and can search for anything. However, it will take three days to investigate.
IF-A shrine maiden of the Kumotsu Shrine within Heartland. She's caring and dependable. She often is seen alongside Compa.
Compa-A medical ninja and the face of Compa Style. She's air-headed and goes at her own pace. She also has a dependable side, and she unifies Neptune and the others as well.