Ibuki Arakuni is a high school student who is far from a model student. He has a childhood friend, Akabane Honeko, who attends the same high school as Ibuki Arakuni.
Kujo Rina is a chemistry teacher and the homeroom teacher for the 3rd grade D class at Horai High School. She doesn't have a bond with her students. On the school's graduation day, Kujo Rina is pushed from the 4th floor and falls down. She is able to glimpse a school uniform sleeve on the person that pushed her. At that time, she wonders why she was pushed and that she does not want to die.
Four women of different ages work at or frequent an ice cream shop, each dealing with dreams, timidity, inexperience with love, and personal pain, their lives intersecting at the shop.
Utaha (詩羽) is the vocalist of Wednesday Campanella. She joined the group in September 2021.