Digimon Adventure - - Seven -acoustic Version- By Wada Kouji
The title "Seven" holds a literal meaning within the context of Digimon Adventure , representing the original seven DigiDestined children (Taichi, Yamato, Sora, Koushiro, Mimi, Jou, and Takeru) before Hikari joined the team.
In the original series, the acoustic version was famously used in Episode 44, "The Pump and Gotsumon of Shibuya," to underscore more somber moments. Digimon Adventure - Seven -Acoustic Version- by Wada Kouji



