Boku Ra No Taiheiyosenso (Kadokawa Tsubasa Bunko)

[Machine Translation] During summer vacation, Eiji, Hitomi, and their friends visit the site of a former weapons factory and are mysteriously transported back in time to 1945! It is the middle of the war. Boys shave their heads, men and women are not allowed to talk to each other, there is no food to eat, and they cannot sleep because of fleas! But we have air-raid shelter parties and pranks for the adults! This is a story of laughter and tears as we experience the horrors of war. Newly written by Tsubasa Bunko, the 15th in the Bokura series! From upper elementary school.

夏休み、兵器工場の跡地を見学にいった英治、ひとみたちは、不思議なことから、1945年にタイムスリップ!?そこは戦争の真っ最中。男子は丸坊主、男女の会話禁止、食べものもなくて、ノミで眠れない!?でも、ぼくらは防空壕パーティーや、いやな大人にはいたずら!戦争の悲惨さを体験する笑いと涙の物語。つばさ文庫書きおろし、ぼくらシリーズ第15弾!!小学上級から。