Jodmai Teung Duang Dao 2002 (Thailand), also known as Letter to the Stars is Thailand drama premiere on Jan 30, 2002 on Channel 3
3 boys are siblings and are neighbors to 3 girls who are also siblings. They only had their mom and she died. The boy's parents took them under his wings and helpd raise them. It's a drama about family, growing up and finding love.