What is Senpai and Kouhai? At least one has been used a ton in the Otaku community. Entries into the Otaku Encyclopedia are usually slang words or words mostly used in Otaku media, such as anime and manga. However, Senpai and Kouhai are regular Japanese words that everyone uses. Since they’re used so often, and most people know Senpai from the Notice Me Senpai Meme, I figured I’d cover both Senpai and Kouhai since they go hand in hand. Basically, Senpai (Hiragana: せんぱい; […]