Backflip!!

Backflip!! is an original sports anime series focusing on rhythmic gymnastics, that aired in 2021.

The story follows Shotaro Futaba, who has always loved sports but was never good enough to be more than a benchwarmer for various teams till middle school. After noticing a group of boys holding a headstand, he follows them into a gym and watches a rhythmic gymnastics tournament for the first time. Although displaying an exhilarating performance at the competition, the Soushukan High School's team places second-to-last due to penalties acquired from only having four members on the team instead of the required six.

However, Shotaro is captivated by what he has seen and decided to enroll at Soushukan in hopes of joining the team despite having no background in gymnastics. He gets recruited onto the team alongside Ryoya Misato, a talented gymnast who was the ace of his middle school's team, and now with a full team, they set out to compete in the upcoming Inter-High tournament.

OP
Masamune's, Keisuke's, Shotaro's and Ryoya's shirts fly up.

Episode 1
Shotaro finds a group of boys practicing in a park. Ryoya's shirt flies up.

Episode 2
Shotaro's, Ryoya's and Kotaro's shirts fly up. Keisuke, Ryoya and Nagayoshi are seen changing their clothes and finally, Masamune is seen practicing shirtless.

Episode 3
All of the members from both the Soushukan High School and Hakumei High School teams have their shirts fly up when they practice headstands.

Episode 4
A few of the team members from Hakumei High School have their shirts fly up.

Episode 5
Toru's and Masamune's shirts fly up.

Episode 6
Masamune, Nagayoshi and Kotaro take their clothes off to try out the new uniforms while forgetting that their manager is both a girl and standing right next to them. Shotaro's shirt also flies up as he does a headstand.

Episode 8
Shotaro, Nagayoshi and Ryoya take a bath together.

Episode 9
Kotaro, Masamune, Nagayoshi and Keisuke take a bath together.

Episode 10
Ryoya, Kotaro and Shotaro take a bath together.