Nagoya Grand Sumo Tournament winner Kotoshoho said Monday he was still coming to grips with his first top-division championship.Competing as a rank-and-file No. 15 maegashira, the 25-year-old Chiba Prefecture native lifted the Emperor's Cup with a 13-2 record Sunday following his win over rising Ukrainian star Aonishiki."It still feels strange to think that I won the championship," Kotoshoho said during a press conference at his Sadogatake stable's base in Nagoya.He suffered his only losses back-to-back on the fourth and fifth days before closing out the 15-day tournament on a 10-match winn…READ FULL ARTICLE