Göğün parlayıp denizin ışıldadığı Fujisawa'da, Sakuta Azusagawan lisedeki ikinci yılındadır. Kız arkadaşı ve senpaisi olan Mai Sakurajiman ile geçirdiği mutluluk dolu günler, ilk aşkı Shouko Makinohara'nın ortaya çıkmasıyla bölünür. Bilinmeyen sebeplerden dolayı iki Shouko ile karşılaşır: biri ortaokula gitmektedir, diğeriyse çoktan yetişkin olmuştur. Sakuta'nın kendini çaresizce iki Shouko ile yaşarken bulmasıyla, yetişkin Shouko onu parmağında oynatmaya başlar ve Mai Sakurajima ile ilişkileri büyük bir yarık açar.Tüm bunların ortasında, ortaokullu Shouko'nun ciddi bir hastalıkla boğuştuğunu öğrenir ve göğsündeki yara ağrımaya başlar.

Seishun Buta Yarou wa Yumemiru Shoujo no Yume wo Minai

Finally, the day of Mai's high school graduation has arrived. While Sakuta eagerly waits for his girlfriend, an elementary schooler who looks exactly like her appears before him. Suspicious, and for all the wrong reasons... Meanwhile, Sakuta and Kaede's father suddenly calls, saying that their mother wants to see her daughter. She was hospitalized because Kaede's condition had been too much for her to bear, so what could she possibly want now?

Rascal Does Not Dream of a Knapsack Kid

After a draining December, Sakuta is quickly nearing the end of his second year of high school. Since Mai is a third-year student, they don't have much time left together before graduation rolls around. Meanwhile, his sister, Kaede, is slowly but steadily venturing outdoors again. Just as she begins to find her footing, she announces her most ambitious goal yet—attending her brother's high school! Sakuta knows better than anyone how difficult this will be for Kaede, and he's ready to support her however he can. He's just not sure if that's what's best for her...or what she really wants...