Ritsuka Uenoyama (Jin Suzuki) is an excellent guitarist and high school student. One day as he's heading up the stairs to go to the roof, he discovers a mysterious student sitting on the stairs holding a Gibson with broken strings named Mafuyu Sato (Sanari). Mafuyu persistently asks Ritsuka to teach him guitar and Ritsuka ends up bringing him to the band practice of his band, "the seasons." Ritsuka performs for Mafuyu along with his bandmates, the drummer Akihiko Kaji (Kai Inowaki) and bassist Haruki Nakayama (Shuntaro Yanagi). Ritsuka's face is beaming as he performs...
Do you remember what I used to do 
when I started playing guitar?
Erinnerste dich daran, was ich gemacht hab,
als ich mit der Gitarre anfing?
¿Recuerdas qué hacía
cuando empecé a tocar la guitarra?
¿Recuerdas qué hacía
cuando empecé a tocar la guitarra?
Tu te souviens par quoi
j’ai commencé, à la gratte ?
Ti ricordi cosa facevo 
quando ho iniziato a suonare la chitarra?
Você se lembra o que eu fazia
quando comecei a tocar guitarra?
Ты помнишь, что я делал,
когда впервые взялся за гитару?