Plot: Xak III: The Eternal Recurrence is the final game in a fantasy role-playing video game series called Xak developed and published by the Japanese software developers MicroCabin and NEC. Wikipedia
Plot: Megami Paradise is a role-playing game by NEC Home Electronics and released in 1994 on the PC Engine Super CD-Rom. A two-part OAV series was produced in 1995 by King Records, under their subdivision Starchild Records, and Studio Fantasia. Wikipedia
Plot: P.T.O. II, released as Teitoku no Ketsudan II in Japan, is a Koei strategy video game that depicts the conflict between the USA and Japan during World War II. The video game is a sequel to P.T.O. Wikipedia