Kazuki Suzumoto is divorced and he lives with his 15-year-old son Kouki. The father and son make a promise to each other. Kazuki promises that he will make a lunch box everyday for Kouki, wh... Read allKazuki Suzumoto is divorced and he lives with his 15-year-old son Kouki. The father and son make a promise to each other. Kazuki promises that he will make a lunch box everyday for Kouki, who promises that he will never skip school.Kazuki Suzumoto is divorced and he lives with his 15-year-old son Kouki. The father and son make a promise to each other. Kazuki promises that he will make a lunch box everyday for Kouki, who promises that he will never skip school.