
"Aikotoba", a popular matchmaking app with a feature of "finding your fated partner". The protagonist, Mizukami Takumi, is an office worker with a stable job. One day, he is recommended by his colleague to try the app. Through it, he meets a girl called “Yozora” with compatibility of 99% and gradually become closer each day. Coincidentally, Takumi is being sent for business trip to Sendai, the city of where the girl is. As a result, they decide to meet up in real life and arrange a meeting there. However, when the time comes, he wouldn’t believe what he sees. “…Onii…chan?” Under the cold sky of Sendai, Takumi didn’t expect to meet “her”… his younger sister, Uzuki, who he hasn’t see in seven years. Moreover, she is the girl under the alias “Yozora” all this time, the girl in the app who made him fall in love.
Aikotoba is a Japanese visual novel of 251,399 characters, with 9,370 unique words and 1,784 different kanji. Its difficulty rating on Jiten is average, 2.0 out of 5. The full vocabulary list ranks all 9,370 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.