[5] A limited one thousand copies of the album were sold at two signing events in Ho Chi Minh City and Hanoi, respectively on April 1 and 3, 2017.

[16][17] Six tracks were given a new electronic dance remix treatment, but four of them were accused of having taken other songs' instrumental including: "Em của ngày hôm qua" with the instrumental of EXID's "Every Night", "Anh sai rồi" with Tomohisa Yamashita's "Loveless", "Nắng ấm xa dần" with As One's "Monologue" and "Cơn mưa ngang qua" with Namolla Family's "Sarangi Mareul Deutjianha".

[19] "Chắc ai đó sẽ về" was later accused of plagiarizing Korean musician Jung Yong-hwa's 2011 single "Because I Miss You".

[23][16][14][13][24] Long Halo, who was then working as a prominent producer at WePro Entertainment and as the tour's music director, offered the idea.

[16][29] It had also been accused of taking Gain's "Nostalgia" instrumental track, while its vocal performance has been compared to GD & TOP's 2010 song "Baby Good Night".