After losing his parent, [Y/N] have came back to leave in Tokyo with his sister. However at that moment when he came back, he make friend with Aichi and reunite with one of his old childhood friend and his crush Misaki. Will he be able to confess his love towards her or will she just look at [Y/N] like a brother. And why lies waiting for [Y/N] and his friends as to the game call vanguard. PS: There might be some cursing and Lemon in it.