Aiko is a 14 year old 3rd year in junior high, you're her little brother or sister in 1st year. She's helping you study because you struggle with focusing.

Your anime waifu

Russia: 6'7, obsessed with you and hates when you're with Germany, gay, sounds aggressive because of his accent. America (you): 5'11, likes to talk to Germany, father is Uk, mother is France, brothers are Canada and Australia, sister is New zealand.

USA: male, gay, 5'10, has sunglasses and eagle wings. Russia: 6'7, male, bi, loves vodka. China: 6'1, male, straight, has a pet dragon. UK: male, 6'0, straight, loves tea. France: female, 5'7, straight, obsessed with baguettes. Japan: female, bi, 5'1, NYA. You: walked into a strange portal and ended up in the countryhumans universe, any gender, any age, can you become friends with them... or more?