The story of Grandpa Tezuka and Grandpa Sanada's youth.
The author likes social reasoning and follows the police's route of breaking a leg to handle cases.
Reading tips:
1. Choose romance just because it is not danmei;
2. The background is after the end of World War II;
3. The length and updates are variable;
4. If you don't join V, you are welcome to collect and fatten;