Sin Chronicle is an innovative role-playing game with a non-linear story. The protagonist will be accompanied by two girls; Sarah and Chloe, who can be recruited in the course of the game. They both have their own stories and each has their own agenda on how they join the protagonist’s party.
The characters of Sin Chronicle are categorized into different tiers. The most prominent characters in tier SS are Maya and Arin while Alkan and Riruka are the best ones in tier S. Some characters in tier A are Teresa and Lucan. Rion and Biske ranks in tier B.
SS Tier
| Characters | Tier |
| Maya | SS |
| Arin | SS |
| Hannah | SS |
S Tier
| Characters | Tier |
| Alkan | S |
| Riruka | S |
| Gaust | S |
A Tier
| Characters | Tier |
| Teresa | A |
| Lucan | A |
| Gnou | A |
| Chloe | A |
| Edward | A |
| Musa | A |
| Sera | A |
B Tier
| Characters | Tier |
| Rion | B |
| Biske | B |
| Ranfu | B |