Young Japanese soldier who writes letters home and faces the brutal reality of war.
Shimizu serves within Kuribayashi's increasingly isolated defensive force.
Private Shimizu retreats and later reaches General Tadamichi Kuribayashi's position, where a counterattack is planned under Kuribayashi's command.
Ito treats Shimizu's survival-oriented retreat as a punishable offense.
Lieutenant Ito accuses Private Shimizu and another soldier of cowardice after they retreat from Mount Suribachi.
Adachi's order places Shimizu in direct opposition to the unit's imposed expectation of death.
Colonel Adachi orders his unit to commit honorable suicide, while Private Shimizu is among the soldiers who refuse and retreat.
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