"Detective Heart". "The Long Confession" is directed by Zhang Lu and stars Ni Ni, Zhang Luyi, Xin Baiqing, Soryo Ikematsu, and Ryoko Nakano. The film will premiere simultaneously at the Busan Film Festival on October 12, 2021[4]. In July 2022, according to Sina Entertainment news, "The Long Confession" will be released in mainland China on August 12, 2022. The story revolves around a pair of brothers with very different personalities at the beginning of spring and winter. After entering middle age, although they both live in Beijing, they have been estranged for a long time due to their respective life trajectories. Suddenly one day, his younger brother Lidong proposed to his elder brother to go on a private trip to Yanagawa, Japan, to find the woman they both loved when they were young. The ending song of the movie is "Detective Heart" sung by Jian Hongyi, composed by Perfect Youth OST Production and Marketing. The song comes from the first Perfect Sound Creation Camp, and is co-written and composed by Cui Bo, Lin Qiao, Ji Xinpei, and Wang Lingxiang***. After familiarizing themselves with the plot outline, the four musicians created songs tailored for the play. The piano sound in the prelude creates an eerie and suspenseful atmosphere. Jian Hongyi's delicate voice is calm and firm. He uses a dramatic voice to push his emotions to a climax step by step. The specific lyrics are: "Confused, depressed, contradictory, gained, lost, what is lost, confused the eyes, all seduced." My real illusion alternates with the conflict of obedience and refutation. In my world, I am not myself."