On April 19, amidst crowds of local networks in attendance, Eru held a press conference prior to his solo concert in Indonesia.

There were over 150 Indonesian reporting staff, filling up the room during the 1-hour press conference.

"A lot more reporters and media presence were present than expected. It was very difficult to facilitate the event. Obviously, Eru is gaining a substantial amount of momentum in Indonesia," a local associate commented. He added that  "Eru was friendly and sincere throughout the conference. All the local media staff were impressed, of course."

Also present at the press conference were the special guests for Eru's concert. Ailee, Baechigi, and Mighty Mouth Shorty.

Eru and Ailee wowed the crowd with their proficiency in English as they responded to many of the questions from the reporters in English.

'Eru Concert in Jakarta 2013 with K-Pop' took place on April 20.

This solo concert brought in 20,000 fans, showing Eru's massive popularity in Indonesia.

His agency stated that his concert sold out immediately and filled the concert location with 20,000 people. 

At the concert, Eru sang many of his hit songs including "Black Glasses." He even prepared popular K-Pop songs and choreography as well for his fans.

He also had a live band playing for the entire 2 hours to give the music a more soulful and raw feel.

His agency stated, "Throughout the entire 2 hours, the fans did not stop shouting his name or showing tears of joy. The concert was so heated that 20 or so people were also taken to the hospital."

Eru also showed tears while singing, "Black Glasses" and expressed his thanks to the fans. The fans, seeing him cry, also began to shed tears, making the concert turn into a flood of tears.

Many other artists also made an appearance at his concert as guests such as Ailee, Baechigi and others.

Eru will finish his promotions in Indonesia and return to Korea on April 25.