OASE - Other Age Second Encounter is a game with elements of adventure, dating sim, and visual novel. In OASE, you control Prince of Zeiva Empire in his quest to date a girl using a machine called Luv Luv Nitarou Dynamite. With it you can summon girls from any place, time or space. Follow stories of different characters and collect as many ending as you can!
OASE has a total of 10 summonable girls, 200+ illustrations, and 55 endings.