Decade in the Date A Live World

After transmigrating into the Date A Live world, Sasaki Reito got a Decade Driver and twenty basic cards for Heisei Riders from the System, and then it left him to fend for himself.

But Sasaki Reito only wanted to keep being an ordinary passerby. He didn't want to get involved with the protagonists.

Things didn't go as planned, though. Before he knew it, he was gradually drawing closer to trouble...

I've made a group,