Bubbly, energetic first-year high school student Himari falls head over heels for her senpai, Yori, after hearing her band perform on the first day of school. Himari tells Yori she just loves her, and, to Himari's surprise, Yori says she loves Himari back! But when Himari realizes that she and her senpai are feeling two different kinds of love, she begins to ask herself what "love" really means.
The idea of falling in love with someone was the furthest thing from Yori's mind. That is until she falls for freshman Himari. Does Himari love Yori, too, or just her music?
Yori and Himari go together to the Kitty Festival, but do they have the same definition of a date? Meanwhile, Aki wrestles with her own feelings.
After Yori asks Himari to go out with her, Himari must make a decision. She loves Yori-senpai but is it romantic love? In the meantime, Aki makes a few subtle moves.
After deciding to join SSGIRLS, Yori begins attending after-school band practices with them to prepare for the concert. A tasty aroma draws Himari to the Cooking Club.
Himari joining the Cooking Club makes Yori worried that Momoka will steal her place by Himari's side. Meanwhile, Aki tells Himari that she loves Yori romantically.
The time Yori spends with Himari is so precious that she can't help but smile and say that she hopes it isn't their final date. Then, SSGIRLS begins their performance.
SSGIRLS runs into their old vocalist, Shiho. She quit the band, and there's clearly some bad blood. Later, Himari and Yori walk home hand in hand and slowly deepen their bond.
Shiho confronts Aki about her feelings. The other girls of SSGIRLS discuss why Shiho left the band in the first place.
Shiho and Himari share a secret. Later, Himari decides to host a taste-testing party and invite SSGIRLS.
Shiho and Hajime have a heart-to-heart conversation. Later, Himari gets lost in her thoughts.
Himari decides to watch the band practice of SSGIRLS. Aki asks for a favor. The school festival finally begins.
Shiho lets go of feelings. SSGIRLS perform. Yori and Himari exchange words.
