Yep, if you look here the surfer has a bracelet, that's Shuu from Kirakira no Hibi. http://www.mangago.me/read-manga/kingyo_no_koi/uu/kingyo_no_koi-chapter-1/35/
Here's Shuu in Kirakira no Hibi http://www.mangago.me/read-manga/kirakira_no_hibi/bt/260345/Vol1_Ch3/10/
as Harmonia said it is, and here are the raws:
- http://www.77mh.com/colist_237921.html
it is not completed!
I am so glad those two got a story for themselves (เนโขใ
โข)ูโง
http://www.mangago.me/read-manga/kirakira_no_hibi/bt/260340/Vol1_Ch2/17/ - about how they met
A spin-off from Kirkira no hibi..?