
OreKou follows the story of the light novels, set at the time when Kirino Kousaka leaves for America to undergo athletic training. While the OreImo anime series tells the story in Kirino's elder brother Kyousuke's point of view, OreKou focuses on Kuroneko's experiences as Ruri Gokou, a high school freshman who becomes Kyousuke's junior. While Kuroneko struggles in mingling with her new classmates, she tries to sort out her feelings for Kyousuke. (Source: OreImo Wikia) Note: Chapter count includes a Chapter Zero prologue and four additional bonus chapters.
Ore no Kouhai ga Konna ni Kawaii Wake ga Nai is a Japanese manga of 64,865 characters, with 4,929 unique words and 1,326 different kanji. Its difficulty rating on Jiten is average, 2.7 out of 5. The full vocabulary list ranks all 4,929 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.