Mimosa No Kokuhaku 3 (GAGAGA Bunko) [Light Novel]

[Machine Translation] After the cultural festival, Sakima and his classmates had been leading a peaceful school life. Shio, who at first tended to be avoided by his classmates, now fits in perfectly. Just when Sakima and his classmates thought that the day was near when Shio would become a popular boy again, a boy who once belonged to Sakima's class came into their classroom. Just as Sakima and his classmates are about to become popular again, a member of Shio's former track team, Fusuke Noi, visits their classroom. Noi, who used to be Shio's rival as a long-distance runner, challenges Shio to a race to get back into the track team. Meanwhile, Arisa Nishizono, a problem child in the class, clashes with Ji Sera. Nishizono grows angry at Sera for repeatedly provoking her. Eventually, this anger leads her to become suspicious.

文化祭を終えてから咲馬たちは平穏な学校生活を送っていた。最初はクラスメイトに避けられがちだった汐も、今ではすっかり馴染んでいる。汐がクラスの人気者に返り咲く日も近い―そう思った矢先。咲馬たちの教室に、かつて汐が所属していた男子陸上部の能井風助が訪れる。長距離走者として汐のライバル的存在だった能井は、陸上部への復帰を賭けて汐に勝負を挑む。一方、クラスの問題児・西園アリサが、世良慈と衝突する。挑発を繰り返す世良に、怒りを募らせる西園。やがてその怒りは、彼女を疑心暗鬼に陥らせる。