The "wall writing" case that criticized the "school festival" invitation to iKON. More criticism for the stage management of the school festival. .

● Use one microphone at a malfunction of the microphones

● With he failure of the speaker, the audience can not hear the song.

● Not operating side, but iKON apologizes for the situation.

● Members did their best lively.

● Bobby sings "for you" without accompaniment

● Hanbin sings Champion, and so on.

● After the stage, iKON says via social network "We are sorry as we came back without being able to say good-bye ", "Thank you for giving us a note" and the fans further criticize the management of the festival.

● The reaction from Korea is “The contents of the BIG LETTER ANNOUNCE (wall writing) were rude to iKON and YG, but the preparation and response of the festival were more rude” “This university missed a huge opportunity,” etc.