Responses
I don't think they are similar. There are some random similarities, but they are not significant.
It's not similar at all.
I love childhood friends stories too, so I understand but what lies at the end is still the best of them all (≧∀≦). If you want an other which really worth it, I recommend you "Victim Gate Of Spirits"! It's a Russian web comic and just like here the art, the story and the characters are awesome (๑•ㅂ•)و✧
waaa its really similar to a manhawa that i read... its called "a man like u"
its one of my fav (๑•ㅂ•)و✧