 In the adult versions of "Futari no Elder", there are scenes with sexual CGs depicting Chihaya and a given heroine having sex.The gameplay is somewhat altered in the PSP version.The PSP version has the sexual content removed, the scenarios of Utano Sasou and Kaori Kamichika that appeared in the Windows version are removed, and it contains newly added scenarios of You Kashiwagi and Hatsune Minase.