The Promise of the Soul () is a 2025 Taiwanese boys' love television series produced by VBL Series. It stars Martin Wong and Kenji Fan in the lead roles and premiered on June 27, 2025. The series was broadcast on SET Metro, and is available for streaming on VBL Series official YouTube channel, GTV Drama Youtube channel, iQIYI, GagaOOLala and Rakuten TV.
Synopsis After a life-altering accident, Xia Cha finds himself inhabiting the body of his grandson, Xia Zefang. With his family gone and only memories left behind, he decides to continue his grandson’s daily life, attending college and sharing a dorm with Ye Haiyuan. As the two navigate their new reality, they begin to uncover a deeper connection that transcends time, identity, and the boundaries of love.
Cast Main Martin Wong as Xia Cha / Xia Zefang Kenji Fan as Ye Haiyuan
Supporting Yaron Qiu as Guan Ri Qing Din Lee as Chen Qian Sui Wei Hung as Jiang Bai Ling Kelly Liao as Haru Mariko Okubo as Hana Nelson Ji as Bai Zhou Qi / "Xiao Bai"
Guest Huang Hao Yung as Xia Cha (elder version) (Ep. 1, 12) Andy Ko as Hei Yu Bo / "Da Hei" (Ep. 11) Joe Tsai as Teacher Qiao (Ep. 4, 9)
Music Track listing
Reception The series received generally favorable reviews. On MyDramaList, it holds a rating of 7.6 out of 10 from 2,700 users. On IMDb, it has a score of 7.0 based on 104 ratings.
Critics praised the emotional depth and performances of the lead actors. HK01 highlighted the series’ exploration of body-swap dynamics and its bold romantic scenes. Liberty Times noted the series’ supernatural themes and its resonance with older audiences. MSN Taiwan covered the emotional finale and cast interviews.
Home media Television The series was broadcast on SET Metro every sunday at 11pm starting on June 29, 2025.
Streaming The series was made available on VBL Series YouTube channel every Friday at 8pm starting on June 27, 2025. It has also been made available on GTV Drama YouTube channel, iQIYI, GagaOOLala and Rakuten TV.
Behind The Scenes, Instagram live and actors react videos were available on VBL Series YouTube channel.
Blu-ray and DVD The series was released on DVD and Blu-ray in Japan on March 13, 2026.
Photobook The Promise of the Soul Photobook (ISBN 9786264350150) was released in Taiwan on July 30, 2025.
Live Events June 20, 2025："The Promise of the Soul" Special Screening
June 26, 2025："The Promise of the Soul" Premiere
August 31, 2025："The Promise of the Soul" The Finale Fan Screening
September 28, 2025："The Promise of the Soul" Fan meeting
References
External links
VBL Series YouTube Channel – The Promise of the Soul GTV Drama English YouTube Channel – The Promise of the Soul iQIYI – The Promise of the Soul