I Returned From My Otherworldly Adventure With Troubles As Expected

Hikigaya Hachiman was isekaied to the world of Orario where he stayed and adventured in for 5 full years. Eventually breaking through the ranks, he returns to his world and awakens... in his bed. Just as he left. And what? Exactly who transferred in? Hikigaya Hachiman is going to have a lot of stuff on his plate. And how is he even going to handle the Service Club?