Since two characters from the United States (one male and one female) have already appeared in the series, Haruki should add more foreign characters from various other countries, such as for example;
1. Africa: Kenya, Ethiopia, Eritrea, Nigeria, Sierra Leone, Liberia, Ivory Coast, Togo, Burkina Faso, Benin, Mali, Niger, Senegal, the Gambia, Guinea-Conakry, Guinea-Bissau, Ghana, Mauritania, the Democratic Republic of the Congo, the Republic of the Congo, South Africa, Morocco, Algeria, Tunisia, Libya, North Sudan, Egypt
2. Europe: Portugal, Spain, Greece, Albania, Italy, Serbia, Croatia, Bosnia and Herzegovina, Montenegro, Slovenia, North Macedonia, Germany, France, the Netherlands, Bulgaria, Russia, Ukraine, Belarus, Poland, the Czech Republic, Slovakia, Romania, Hungary, the United Kingdom, the Republic of Ireland, the Isle of Man, Lithuania, Latvia, Finland, Estonia, Sweden, Iceland, Norway, Denmark
3. Oceania: Palau, the Marshall Islands, Kiribati, the Northern Mariana Islands, Guam, Nauru, the Federated States of Micronesia, the Solomon Islands, Vanuatu, Fiji, Papua New Guinea, Australia, New Zealand, Cook Islands, Tuvalu, Tonga, Western Samoa, American (Eastern) Samoa
4. The Americas: Cuba, Puerto Rico, Canada, Greenland, Mexico, Guatemala, Honduras, Belize, El Salvador, Paraguay, Argentina, Brazil, Bolivia, Uruguay, Peru, Colombia, Chile
5. Asia: India, Pakistan, Nepal, Bangladesh, Sri Lanka, the Maldives, Iran, Afghanistan, the Philippines, Thailand, Laos, Vietnam, China, Taiwan, Hong Kong, Macau, North Korea, South Korea, Mongolia, Azerbaijan, Georgia (country), Iraq, Turkey, Armenia, Saudi Arabia, the United Arab Emirates, Kuwait, Bahrain, Oman, Qatar, Yemen, Israel, Syria, Kazakhstan, Kyrgyzstan, Uzbekistan, Turkmenistan, Tajikistan
Since two characters from the United States (one male and one female) have already appeared in the series, Haruki should add more foreign characters from various other countries, such as for example;
1. Africa: Kenya, Ethiopia, Eritrea, Nigeria, Sierra Leone, Liberia, Ivory Coast, Togo, Burkina Faso, Benin, Mali, Niger, Senegal, the Gambia, Guinea-Conakry, Guinea-Bissau, Ghana, Mauritania, the Democratic Republic of the Congo, the Republic of the Congo, South Africa, Morocco, Algeria, Tunisia, Libya, North Sudan, Egypt
2. Europe: Portugal, Spain, Greece, Albania, Italy, Serbia, Croatia, Bosnia and Herzegovina, Montenegro, Slovenia, North Macedonia, Germany, France, the Netherlands, Bulgaria, Russia, Ukraine, Belarus, Poland, the Czech Republic, Slovakia, Romania, Hungary, the United Kingdom, the Republic of Ireland, the Isle of Man, Lithuania, Latvia, Finland, Estonia, Sweden, Iceland, Norway, Denmark
3. Oceania: Palau, the Marshall Islands, Kiribati, the Northern Mariana Islands, Guam, Nauru, the Federated States of Micronesia, the Solomon Islands, Vanuatu, Fiji, Papua New Guinea, Australia, New Zealand, Cook Islands, Tuvalu, Tonga, Western Samoa, American (Eastern) Samoa
4. The Americas: Cuba, Puerto Rico, Canada, Greenland, Mexico, Guatemala, Honduras, Belize, El Salvador, Paraguay, Argentina, Brazil, Bolivia, Uruguay, Peru, Colombia, Chile
5. Asia: India, Pakistan, Nepal, Bangladesh, Sri Lanka, the Maldives, Iran, Afghanistan, the Philippines, Thailand, Laos, Vietnam, China, Taiwan, Hong Kong, Macau, North Korea, South Korea, Mongolia, Azerbaijan, Georgia (country), Iraq, Turkey, Armenia, Saudi Arabia, the United Arab Emirates, Kuwait, Bahrain, Oman, Qatar, Yemen, Israel, Syria, Kazakhstan, Kyrgyzstan, Uzbekistan, Turkmenistan, Tajikistan