In a society devastated by the effects of an all-out war between heroes and villains, a mysterious giant fortress suddenly appears, engulfing towns and people one after another. Then, a…

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…

Shoyo Hinata joins Karasuno High’s volleyball club to be like his idol, a former Karasuno player known as the ‘Little Giant’. But Hinata soon learns that he must team up…

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…