Seven Senses of the Re'Union

In the popular MMORPG world 'Union' there existed a legendary party. Its name was Subaru. This party, made up of a group of childhood friends and elementary schoolers, exceeded the limits of the game with their various senses. However, due to an incident which resulted in a death, 'Union' ended its service and the group of childhood friends went separate ways... 6 years later, high schooler Haruto...