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.
Kawamoto Tsugumi is a woman who is not good at interacting with people and has no friends. When she comes across an Instagram account nicknamed "White Horse", she is fascinated by how the meals are captured very attractively in the photos. The posts and captions resonate with her. Tsugumi starts to go for meals on her own by eating the same food as "White Horse". On the other hand, Shiraishi Kazuma who manages the "White Horse" account, is delighted about and eagerly anticipating the only "like" he gets for his posts from Tsugumi.
They'll take back your uncool heart to protect peace! One day cool director Piyoshi Kurosawa offers Phantomirage a sparkling big role! That's right, if this is the case, let's make everyone's heart flutter through the movie! However, Reverse Police's SakaSama found him! The director who is busy with the shoot is turned into an Ikenaier! With that, the movie will no longer be cool!
Kokomi, Saki, and Yotsuba are three middle schoolers and friends who lead different lifestyles. One day, they meet Kumachi, a talking teddy bear who was sent by his master named Phandy to search for the "Gyaku Jewels", a human heart source treasure that can grant wishes. Kumachi later chooses them to become Phantomirage, a Robin Hood styled phantom thieves of justice in order to fight against Reverse Police, a group of bad cops who always arrest good people by turning them into their dark selves. Phantomirage must purify their stolen hearts allowing them to become normal and return their treasure by granting their wishes.