Reincarnated as an Immortal Witch

The protagonist with a good memory was hit by Truck-San... Was reincarnated as an Immortal Witch... Reader: Girl or boy? Author: Boy R: Why is he a witch then? A: ... he can't? R: ... Announcement from Author: 1. I don't like bothersome things. 2. You're free to farm experience by commenting, voting and etc. 3. I don't actually care about number 2, too bothersome. 4. Do what you like. 5. Enjoy reading Alternate number 5: Have a nice day (if you're not reading)