Seo In Guk and Jang Na Ra have been confirmed as the lead roles in KBS's new drama 'I Remember You'(former as 'Hello Monster').

'I Remember You' will be about a genius criminal profiler who has everything named Lee Hyun(Seo In Guk), and an elite detective who is always enthusiastic named Cha Ji Ahn(Jang Na Ra). The two will develope romantic feelings for each other later while solving crimes together.

Following 'It's Ok, It's Love', EXO's D.O will make his drama return by making a special appearance in 'I Remember You'. He will only appear in the first two episodes in the flashback scenes, but his character is said to make an important impact on the drama.

'I Remember You' will be broadcast on June 22nd following 'Who Are You - School 2015'.