All That We Loved

All That We Loved is a 2023 South Korean teen romance comedy television series written by Kang Yoon, directed by Kim Jin-sung, and starring Sehun, Jo Joon-young and Jang Yeo-bin. It was released on TVING in South Korea from May 5 to 26, 2023, every Friday at 14:00 (KST). It is also available for streaming on Viki and Viu in selected regions.

Synopsis
It tells about the friendship and love that everyone has thought about at least once in their childhood. A high-teen romance dealing with cellular memory, it takes place when 18-year-old best friends Go Yoo and Go Joon-hee become similar to each other after a kidney transplant, and fall in love with a transfer student (Han So-yeon) at the same time.

Main

 * Sehun as Go Yoo
 * A basketball genius who donates a kidney to his best friend Joon-hee.
 * Ki Eun-yoo as young Go Yoo


 * Cho Jun-young as Go Joon-hee
 * Yoo's best friend who is weak and needs a kidney transplant, but experiences a 'cellular memory' after receiving it
 * Kim Si-woo (actor) as young Go Joon-hee


 * Jang Yeo-bin as Han So-yeon
 * A girl who both Yoo and Joon-hee fall in love with. She boasts a pretty appearance and a clear brain, but does not get close to people well.

Supporting

 * Jung Hye-sun as Madam Mo
 * Joon-hee's biological grandmother and Yoo's adoptive grandmother.


 * Lee Seung-joon as Yoo's father
 * Park Eun-hye as Yoo's mother
 * Jeon Yeong-in as Ahn Soon-tak
 * Yoo and Joon-Hee's classmate.


 * Baek Min-hyun as adult Ahn Soon-tak
 * A second doctor at Go Psychiatric Center.


 * Myung Jae-hwan as the homeroom teacher
 * Kwon Hyuk-beom as Jeon Sang-gyu
 * A bully transfer senior student.


 * Kwon Oh-geon as Go Joon-young
 * Joon-hee's older brother.

Special appearances

 * Song Jae-rim as Doctor Go
 * A psychiatrist at Go Psychiatric Center.


 * Jung Yoo-jin as adult Han So-yeon
 * Woo Ji-won as a teacher

Development and filming
Developed under the working title Love, Do It, All That We Loved was written by Kang Yoon, and directed by Kim Jin-sung, who worked on MBC TV hit dramas such as Queen Seondeok and Gu Family Book. Filming began in April 2022.

Studio HIM managed the production of the series.

Casting
In March 2022, media reported that Sehun, Jang Yeo-bin, and Cho Jun-young were cast to play the lead characters for the series, and they were officially confirmed on July 27, 2022.

Release
All That We Loved was supposed to be released in 2022, but months later it was changed to 2023. TVING then confirmed the release date which unveiled on May 5, 2023, releasing two episodes every Friday at 14:00 (KST), with a total of eight episodes. It is also available to stream on Viki and Viu in selected regions.