Raws?????
it's a new manga so there's not much chapter yet (just got published) but there a novel. you can read the novel here:
https://www.lightnovelbastion.com/project.php?p=248
http://www.mangago.me/read-manga/bouai_friendship/
(/TДT)/ Σ(っ°Д °;)っ
For u! Happy reading
Raws?????
It's ongoing as far as I know. But the author has written 4 books on without series and all of them are awesome (๑•ㅂ•)و✧ saw the link on below comments.