2019年11月6號，邱鋒澤、陳零九同黃偉晉喺《娛樂百分百》直播時段嘅時候宣佈將會同小賴賴晏駒組一個四人限定男團。13號，佢哋四個分別喺擱置嘅IG直播宣佈團名將會係「W0LF四堅情」。 11月19號，四堅情推出第一首單曲《兵變》，係以黃偉晉喺《娛樂百分百》狼人殺單元嘅金句「到底是誰兵變我」為主題。《兵變》MV喺17日內達到100萬次收睇。
On November 6, 2019, Qiu Fengze, Chen Lingjiu and Huang Weijin announced during the live broadcast of "Entertainment 100%" that they would form a four-member limited boy group with Xiao Lai Lai Yanju. On the 13th, the four of them announced on the shelved IG live broadcast that the group name would be "W0LF Four Stronghearts". On November 19th, Si Jianqing released his first single "Mutiny", which is based on the golden phrase "Who is the mutiny of me" in the werewolf killing unit of Wong Wai Chun's "100% Entertainment". The "Mutiny" music video reached 1 million views in 17 days.