Mizuki Itagaki

In a town where clubs compete for supremacy, Ando Shintaro, the president of the "Zennichi Civil Engineering" contractors, lived a fulfilling life. Though he wasn't wealthy, he worked hard alongside his fellow colleagues. However, one day, the number one "Club Texas" appear in front of Shintaro and the others and are told that they are now under the umbrella of "Club Texas". Shintaro ponders this and consults with a lawyer regarding buying back the company. However, he is told that it's impossible since "Club Texas" on the number one club. Riki, an employee, goes into "Club Texas" on his own but gets into a fight. Furious, Shintaro rushes in to defeat the person who beat up Riki. However, the number one host there is his older brother that left 10 years ago.

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.

The heroine Balsa is a skilled bodyguard and a masterful spear-wielder. One day she rescues Prince Chagum who has fallen into a river. The prince is carrying a mysterious spirit egg in his body, and is in danger of being assassinated by his father, the Mikado, who fears this will damage his imperial prestige. Balsa embarks upon a perilous journey when she accepts the queen’s plead to protect her son from her husband.

Fumi becomes Genzui Kusaka’s wife. During the turbulent times of the closing days for the Tokugawa shogunate, she lives positively and tries to keep up Shoin Yoshida's will. Shoin Yoshida is her older brother and intellectual.

When Tsukasa was a middle school student, she had a crush on transfer student Hayato and even confessed her feelings to him. She was turned down by Hayato. Now, Tsukasa and Hayato are classmates in high school. Hayato treats Tsukasa as just a friend, but Tsukasa still has feelings for him. Meanwhile, Hayato becomes attracted to Tsukasa.

Nozomi Kuroda is in the 2nd grade of high school. One day, she finds a letter in a classroom desk. The letter has only the word "like" written on it. The person who wrote the letter is Jun Setoyama. He happens to be the most popular boy at the high school. Nozomi Kuroda feels embarrassed, but she eventually leaves a reply in a shoe closet at school. This is how their secret exchange diary begins. Nozomi Kuroda soon learns that the intended recipient for the first letter was her best friend. Nevertheless, Nozomi Kuroda is attracted to Jun Setoyama, who expresses his thoughts and feelings unlike her. She's unable to tell him the truth that the person exchanging messages is her and not her best friend.