
Freesia is set in an alternative Japanese society that is at war, and has passed a law legalizing retaliatory killings. If somebody kills your loved one, you are legally sanctioned to kill, or hire someone to kill, the victimizer. The manga is set around a character who works for a firm that specializes in these retaliatory killings. (Source: OneManga)
Freesia is a Japanese manga of 176,397 characters, with 9,725 unique words and 1,688 different kanji. Its difficulty rating on Jiten is hard, 3.0 out of 5. The full vocabulary list ranks all 9,725 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.