Original origin it is, I'll get around to writing more eventually
For those of you concerned about if this is immediately alien force then the answer is no, I plan on doing the whole summer vacation story then do a time skip to 1 month after they return to Bellwood for alien force.
Also regarding future romance, I apologize if it sucks, I've only ever dated one person in my life and blew it... so... yeah... when I get to it it'll probably terrible