Harry, Monica, Cheryl and Keith are 4 childhood friends who have to move to a new school because theirs closed.
There they meet students who are not particularly fond of them.
Harry is suspicous of Timothy who caught the eye of Monica his crush. They also meet 2 bratty kids Maria and Sally.
What's worse is Harry's older sister Anika is dating Maria's father!
Nagi no asukara
so how many of these are in Nagi no Asukara
Miuna and Manaka to become best friends