In 202X, the Japanese government reinstated conscription for its citizens at the request of its allies.

The first call-up came abruptly, without any warning.

Kei, who had given up his dream of becoming a pianist and was living an ordinary life as a company employee, also received his draft notice.

His daily life was about to change dramatically, drawing in his father Saburo and his aunt Atsuko.

202X年、日本政府は徴兵制を復活させ、その初招集は突如行われた。

夢もなく平凡な日々を過ごしていた根本恵の元にも招集令状が届き、その日常は恵の父と伯母を巻き込みながら大きく変化していくことになった。