LINE Yahoo Corporation (hereinafter, LINE Yahoo) has launched a partnership function (hereinafter, this function) with calendars pre-installed on smartphones for "LINE Calendar". With this function, users can view and edit appointments registered in their smartphone calendars within "LINE Calendar". In addition to appointments previously created in "LINE Calendar", users can now manage appointments registered on their smartphones in a consolidated manner, realizing a more seamless appointment management experience on "LINE". Since its launch in March 2026, "LINE Calendar" has been provided as a calendar service that allows for consistent creation, sharing, and management of appointments from conversations on "LINE". With this update, not only appointments created on "LINE", but also appointments registered on users' everyday smartphone calendars can now be viewed and managed collectively on "LINE Calendar", making it more convenient to keep track of schedules. ■ Main Features of This Function View appointments registered on smartphone calendars collectively on "LINE Calendar" Create, edit, and delete appointments on "LINE Calendar" View multiple calendars collectively Supports display/hide switching for each calendar Users can set up the partnership with their smartphone calendars upon first use of "LINE Calendar" or from the settings screen. After the partnership is established, appointments registered on the smartphone will be displayed on "LINE Calendar", and users can view and manage appointments within "LINE Calendar". ■ How to Use 1) Open "LINE Calendar" 2) Open Top Right Menu > Top Right Settings Page 3) Select "Link Calendars" 4) Grant access to smartphone calendar 5) Appointments registered on the smartphone calendar will be displayed on "LINE Calendar" With the mission to "Create a 'WOW' life platform and deliver '!' to everyday life," LINE Yahoo aims to realize a more convenient and intuitive appointment management experience through "LINE Calendar". * "L