The contents of the service may be changed depending on the status of expansion of the new coronavirus infection. The event is held after implementing the following measures to prevent the spread of the new coronavirus infection. We ask for your cooperation when participating. 1.Please wash your hands and disinfect your fingers before and after entering and leaving the room. 2.We ventilate the venue as much as possible. 3.Depending on the size of the venue, the number of participants (less than 50% of the capacity) will be able to maintain a distance where participants can not directly touch each other. 4.We disinfect tables and chairs. 5.I'll ask you not to get close when you enter or leave.