The title refers to , a classic Japanese word game where players must start their word with the last letter of the previous player's word. In the context of the anime, this "word play of memories" represents the delicate process of two people from completely different worlds—Yoshida and Sayu—trying to find common ground through conversation.
Performed by the eight-member voice actress unit , the track was composed and written by Tomoya Tabuchi (of UNISON SQUARE GARDEN). The title refers to , a classic Japanese
: The lyrics emphasize a "search for a perfect balance". This mirrors the precarious living situation between a 26-year-old salaryman and a runaway high schooler, where one wrong move could shatter their hard-won peace. : The lyrics emphasize a "search for a perfect balance"
: Much like the group name DIALOGUE+, the song focuses on "connecting words to lead to an answer". The game of Shiritori becomes a metaphor for their relationship: a continuous, sometimes difficult cycle of sharing small parts of themselves to keep their "story" going. The game of Shiritori becomes a metaphor for
: While the melody is upbeat and "bright" J-Pop, the lyrics carry a heavy sense of insecurity and cowardice. This contrast perfectly captures the "frustrating and warm" atmosphere of the anime.