Nowadays, she doesn't need to figure out how to get a gun anymore.
Minamoto Tamako found a black market factory, volunteered to work for free without a salary, and used the workshop equipment to craft a handmade pistol.
After that, she went to flea markets and craft fairs to buy some old shell casings, filled them with gunpowder herself, and made her own reloads.
Minamoto Tamako didn't get overconfident. She found a secluded place, practicing with her gun for indoor combat, outdoor combat, encounters... It wasn't enough to just draw and aim quickly; she needed tactical awareness and the ability to judge the situation.
Soon, she realized that practicing alone wasn't very effective. To solve this, Minamoto Tamako decided to go to an internet cafe and play shooting games.
Some games are quite realistic, like Tactical Squad, which requires strong command skills.
The twentieth century was great, ordinary people could learn such valuable knowledge...