Zero Time Dilemma

This visual novel tells the story of Aiba, a man who is given 100 years to save the world from destruction. The player's choices will determine whether he succeeds or fails.

Aiba has discovered that the source of the impending doom is a mysterious being known as "Kuro," and he must find a way to defeat it. However, Aiba soon realizes that time is running out and that every decision he makes will have consequences.