
When my father remarried, I suddenly had a step-sister, and I fell in love at first sight. That was what I, Takuro Matsubara, declared at our first meeting. "I might look at you, Toko Konoe, in a sexual way." For some reason, my step-sister's first impression of me was terrible, and our life started with me having a negative-infinity favorability rating. (Source: MF Bunko, translated)
Giri no Imouto to Kekkon Shimasu is a Japanese novel of 136,829 characters, with 7,701 unique words and 1,609 different kanji. Its difficulty rating on Jiten is average, 2.4 out of 5. The full vocabulary list ranks all 7,701 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.