I haven't gotten much into Kpop--haha I'm trying to resist the temptation--but I do know a few songs I really like! There's a Japanese song by 2PM (the original is Korean though), as well as "Ooh Ahh" by TWICE and "If You" by Big Bang. I might get into 2PM and Big Bang; I have a tragic weakness for boy bands.
I haven't listened to k-pop but I am open to it. I always plan on listening to it at some point but then something else comes up and I forget. I've only listened to j-pop but that's when because I started watching anime.
There is a guy in my French class who is really cool and he listens to both and I thought it was net to meet someone in person that actually has similar interests particularly in music.
I'm secretly in love with 9 Muses.
Their songs are so catchy.
Figaro, Ticket, Dolls and News are my favs.
There's also a badass mashup on YouTube. I highly recommend watching it, lol. All of their videos are so stinking good, shitttt.