The second track, "July 1st" was composed by Nagao and Hamasaki. Japanese disc jockey Cool-K also included additional scratching on the track. As "H" was released during the Japanese summer, Hamasaki decided to incorporate a "summer vibe" to the tracks and, according to Tomita, "July 1st" was her strongest song to feature this. These themes had also been explored throughout "I Am...". The lyrical content is "uplifting and cheerful" and talks about fun experiences; Hamasaki commented, "This was the first time I had ever written a song ["July 1st"] from this viewpoint, and I even surprised myself!" "Hanabi" talks about Hamasaki's views of the world, and discusses personal nostalgia. Hamasaki wanted the songs to be deeper, and Tomita commented that "Hanabi" was the first time he saw Hamasaki feel more engaged with global artists and incorporating those influences, rather than simply being influenced by Japanese music. "Hanabi"'s title was written in English characters, and is the Japanese word for "fireworks". The title was re-used on her single "&" for the track "Hanabi (Episode II)".