Japanese artist ISH-ONE copies GDTY's 'Good Boy'?

A song by Japanese artist ISH-ONE has come up as sounding similar to GDTY's "Good Boy".

The song in question is "Mr. Problem", which consists of a similar beat and melody to GDTY's "Good Boy". ISH-ONE has currently denied the similarities of both songs. When asked, on his Twitter, if he'd sampled "Good Boy", he answered that he had not and that he was a fan of Big Bang.

Check out the comparison video above. What do you think? Plagiarized or not?

[Thanks to everyone who sent us this tip!]