Plot: Mitsumete Knight is a dating sim game developed by Konami and Red Company and published by Konami. It was released in 1998 for the PlayStation. Wikipedia
Plot: Ayakashi Ninden Kunoichiban is a Japanese dating sim by Shoeisha, released on March 14, 1997, for Windows 95 in Japan. A PlayStation, and Sega Saturn version were soon released as well. It is a female ninja dating sim, as well as a gal game. Wikipedia
Plot: Eberouge is a video game developed by Fujitsu and published by Takara on the Sega Saturn and PlayStation in Japan in 1997. It is a dating sim game with similar gameplay and graphical representation to Konami's Tokimeki Memorial. Wikipedia