The Type R series is a series of production cars marketed by Honda that are as close to racing cars as possible. The second in the series is the first-generation Integra Type R, which was developed based on the third-generation Integra. The engine achieved an increase of 20 horsepower over the normal engine by changing the pistons, camshafts, intake manifold/exhaust manifold, ECU, etc. In addition, the body was made lighter by removing the sound insulation material, and the body rigidity was strengthened, The transmission was low geared to improve acceleration performance, and the suspension was modified to be harder for circuit driving. The Integra Type R, with such hard tuning, demonstrated astonishing speed beyond its class on mountain passes and circuit fields, and at the time of its sale, it was named the world's fastest FWD production car.

In the spring of her first year of high school, Yui Hirasawa joined the Light Music Club as a beginner on a musical instrument. Together with the club leader Ritsu Tainaka, the shy Mio Akiyama, and the calm Tsumugi Kotobuki, she spent her days enjoying the club's usual tea in the club room, training camps, school festivals, Christmas, and other fun activities. In their second year of high school, the club welcomed a serious new member, Azusa Nakano, and the light music club's second school festival was a great success with the five-member band "After School Tea Time. Then, Yui and the other members entered the spring of their senior year of high school...

A first-year student who newly joined the Light Music Club. She is in the same class as Yui's younger sister, Yuu. She is a very serious person, and she is worried about the light music club's tea time and the loose atmosphere of Yui and her friends. She started playing the guitar when she was in elementary school under the influence of her parents, and is quite skilled at it.

From her words and actions, it is assumed that she is presumed to be the daughter of a fairly wealthy family. She has been learning the piano since she was 4 years old and has won prizes in competitions. She is calm and friendly, and always has a smile on her face. She brings sweets and a tea set to the club room.

She chooses to play the drums because she has a rough personality and is not good at detailed instruments. She and Mio have been childhood friends since kindergarten and often play around with each other. She has some strange skills such as narrating and imitating other people's voice tones.

She had planned to join the literature club, but her childhood friend Ritsu pulled her into the light music club. She is serious, gets good grades, and has the best proportions of all the members, but she is so shy that she chose to play the bass guitar because it would stand out. She is quite skilled on the bass guitar.

Her joins the light music club taken impression that light music club = light music (like whistling). Starts playing guitar as a complete beginner. She is a type of person who relies on self-instruction and intuition. Loves cute and sweet things.