1편: https://arca.live/b/regrets/66625372
2편: https://arca.live/b/regrets/67145445
3편: https://arca.live/b/regrets/67620897
4편: https://arca.live/b/regrets/68192361
5편: https://arca.live/b/regrets/68744463
6편: https://arca.live/b/regrets/69329364
에필로그(完): https://arca.live/b/regrets/70044197
예전에 썼던 글인데 한 번 정리해봤음