Urgent: Picked up an Abandoned Dragon, How to Raise

A totally normal high schooler whose only good point is his toughness, Tetsu. The lizard he happened to pick up one day, turns out to be a super rare dragon!? Not knowing how to raise his dragon, he turns to the internet. However, his walk with his super rare dragon is a trending topic. What kind of insane turmoil will this bring into his life..? Here comes the long awaited manga adaptation of the super popular novel series!!