![トゥインクル [Twinkle] book cover](https://m.media-amazon.com/images/S/compressed.photo.goodreads.com/books/1372738311i/18144966.jpg)
Two classmates joke around about their close relationship. Yuki and Andou are best friends. They love to carelessly say "I love you" to each other. One day Andou puts in a little more feelings to his words? What would Yuki think? Serialized in (magazine) : Reijin Bravo!