SEOUL, June 18 (UPI) -- South Korean President Lee Jae-myung and Japanese Prime Minister Shigeru Ishiba held their first bilateral summit Tuesday on the sidelines of the G7 meeting in Kananaskis, Alberta, Canada,-marking a cautious but notable step toward resetting long-strained relations between the two neighboring countries. While bilateral ties had improved significantly under the previous South Korean administration through closer security and diplomatic coordination, this meeting was