ボクらの最終定理 (Bokura no Saishuu Teiri)



Our Last Theorem is a song sung by Rin Kagamine and Len Kagamine. It is the two-hundred-and-twenty-third track in Other Vocaloid Songs 11: Mostly Rin and the two-hundred-and-eighty-ninth track in Other Vocaloid Songs 25: Mostly Len.