Ginga Rengou Nippon

A massive spacecraft hovers over Japan in the year 201X. The extraterrestrial beings aboard possess highly advanced scientific abilities and show exclusive interest in Japan, ignoring all other nations on Earth. As this unexpected development disrupts global power dynamics, major world powers such as the United States and China express concern. The main character is assigned as a negotiator and devises a major initiative aimed at building diplomatic ties with the aliens.