Masaru, is a second year Junior High student, and is undefeated in battle, He meets the Digital Monster Agumon, who has escaped from DATS, a secret government organization. Despite terrible first impressions, the two become best friends by talking with their "fists". With others, Masaru and Agumon work to investigate various incidents involving the Digital World and Digital Monsters, to try and get to the bottom of things.
Thanks to Sharuru, a fairy from the Trump Kingdom, and the power of mysterious accessories called Cure Lovies, Mana transforms into Cure Heart! Mana, her close friend Rikka, her high-class childhood friend Alice, and the enigmatic, cool super idol singer Makoto all become legendary saviors. Together, they purify the Jikochu, who have forgotten about love!
The evil warlord Gengetsu Kibaoni was defeated 444 years ago by the Last Ninja, the head of the Igasaki Family. In 2015, the Kibaoni Army starts rebuilding their empire and use fear harvested from humans to revive him. Five members of the Igasaki family must use their Nintality to transform into the Ninningers and fight to prevent the revival of Gengetsu Kibaoni.
