Youichi attended the same high school as Haru. They both were taught by Shinako before Haru dropped out.
[He eventually asks [Haru)(https://anilist.co/character/11766/Haru-Nonaka) out, but she declines because she likes [Rikuo)(https://anilist.co/character/69339/Rikuo-Uozumi).]
