Adam Taggart admits it has been a big step up in intensity and training workload after swapping the A-League for the K League 1.
Taggart left Brisbane Roar in February to sign with Suwong Samsung Bluewings.
The striker has made an impressive start, bagging five goals in 12 appearances since he landed in Korea.
Recalled into the Socceroo set-up after a five-year absence, Taggart said he has enjoyed his time in the Asian country, though challenging on occasion.
"It's been really, really good," the forward said. "It's been everything I hoped it would be.
“It's extremely challenging at times, but that's also what's so rewarding. Every game is a really big battle. The training intensity is extremely high here. The Korean culture is very good like that.
"The training load is probably a little bit higher, but I also think it's the mentality here that the players have from a really young age, it just stays with them their whole life. It's a hard-working and intense environment. It is tough at times but that's also why it's rewarding when you can do well.
"The transition has been a little bit difficult, but enjoyable as well. It's a move that I wanted and was really happy that I came here. For my football, you have to improve yourself a little bit, your thinking has to be a bit sharper. It's definitely kept me on my toes."
Taggart's last cap for the national team came during the 2014 World Cup against Spain.
The 26-year-old is excited to be finally back in the Socceroo fold and eager to make his mark, with coach Graham Arnold on the hunt for a dependable striker.
"It's been a long time," the former Glory and Jets attacker said.
"You always want to be involved in the national team. For me personally, coming off a great period which was ended by the World Cup, just such a great experience and something I will always be grateful for.
"It's something I've always wanted to be part of since then. It's just nice to be back. I don't get too far ahead of myself or anything like that, it's just an opportunity again and it's up to me to try and take it.
"I'll do everything I can to put my best foot forward and just enjoy the experience."