"Hoshi no Tonari no Utsukemono ~Kappa~" is an original song featuring GUMI. It is the third entry of the "Fools Among the Stars" series, a trilogy of songs created to celebrate Ie no Ura de Manbou ga ShinderuP's third anniversary as a producer. This song is featured in the album Kowareta Sekai de Hana wo Daku. The song focuses on a character named Kappa, a creature from Japanese mythology. It tells the story of the romance between Orihime and Hikoboshi from Kappa's perspective.