Kuroo and Tsukishima have been friends since they were kids, Tsukishima's family moved to Miyagi when he turned 7 and they only had an hour long texting session a week, until Kuroo turned fourteen and Tsukki turned twelve, and the two boys recieved phones. they start texting everyday and sending innocent childish pictures, this was all the way up until Kuroo was 18 and Tsukishima turned 16. they havent video called before, Kuroo suggests the idea and Tsukishima warms up to the concept. as the two boys talk more on video, the feelings evolve...a Bluelight Romance i suppose