Hallyu star Kim Hyun Joong has done it yet again by topping the Oricon singles chart with his second single album, 'Heat'!

'Heat' sold 137,774 units just on the first day of its release and easily took the first place position on Japan's Oricon singles chart. Written and produced by B'z, the single contains a total of two tracks including "Heat" and "Let's Party". Kim Hyun Joong has actually managed to double his own record, as his debut single, 'KISS KISS/Lucky Guy', had sold 71,812 units on the first day.

Kim Hyun Joong is actively promoting in Japan, having recently held a guerrilla concert in Odaiba along with more scheduled live performances coming up at the Saitama Super Arena on July 14th and 15th.

He'll be collaborating with Naoto Intiraymi for 'Double Fantasia Great Assist' on the 14th, and finally a special premium event for fans that purchased his album, titled 'Kim Hyun Joong Heat 2012 in Japan' the following day.

In related news,�2PM and 2AM's 'Beyond the ONEDAY' theme song "Oneday"�took fifth on the same singles chart.

Source + Photos: YNA via Naver