The On1y One Episode 4 marked the beginning of Wang and Tian starting to develop a special relationship with each other amidst their familial concern. Tian secretly helps Wang a lot and in fact admires him way too much. On the other hand, Wang who has always had people leave him, feels the urge to have Tian closer to him. With Tian and Wang both becoming best friends or even more than that, all that is now left is them to open up their feelings and prepare to go against their parents.
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The On1y One BL Drama Cast
Liu Dongqin, Benjamin Tsang, Lu Tingyu, Samuel Ku, Yan Yu-lin, Tuan Chun-hao, Jennifer Hong, Yao Ai-ning
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The On1y One Series Original Title
某某
The Taiwan BL series is adapted from the novel Mou Mou (某某) by Mu Su Li (木苏里) and is directed by Liu Kuang Hui.
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The On1y One Episode 5 Recap
The episode opens with Xhao Xi being introduced as the substitute Physics teacher. He starts his lesson by demonstrating Bernoulli’s principle, using two spheres to show how, when wind blows between them, they come together, but once the wind stops, they separate and return to their original motion. Wang watches the spheres intently, and it stirs a deep sadness within him. He can’t help but compare the demonstration to life, wondering if the people close to him now will drift apart once the connection, the “wind,” between them fades.
Meanwhile, it becomes clear that Wang knows Qi, his friend, is extremely hardworking and determined to stand out in class. This bothers Wang, as he fears Qi’s ambition might strain their friendship. The scene then shifts to the present day. Wang is being attacked by two thugs. He feels an overwhelming desire for someone to step in and help him, but when no one comes, he realizes he must save himself. With sheer force and determination, he pushes the thugs away and runs to class. Despite arriving late to his English test, Wang manages to complete it just in time.
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Later, in the canteen, Wang tells his friends about the attack. Tian, clearly upset, abruptly announces he’s going to Xi Le’s shop to buy water. As he walks, Tian reflects on Wang’s situation and, upon reaching Xi Le’s shop, spots a CCTV camera. That evening, Wang receives a message from Tianyang, telling him that the thugs who attacked him were arrested by Xi Le, as they had been causing trouble around the shop too.
Wang looks at the photo of the captured thugs and notices something familiar — the shoes. When Tian gets home, Wang confronts him, recognizing the shoes as his. Tian tries to brush it off, but Wang corners him, demanding an explanation. Tian finally admits that he had found the CCTV footage by chance and helped Xi Le deal with the thugs. He confesses to feeling guilty for not being there when Wang needed him most and says he knows how scared Wang must have been in that moment.
Tian’s empathetic words bring tears to Wang’s eyes, and, in a vulnerable moment, he asks Tian for a piggyback ride. Tian rolls his eyes and starts to walk away, but Wang jumps onto his back anyway, playfully demanding to be dropped off before their parents see them. Tian carries Wang to his room, and, in a quiet gesture of care, Wang sticks a bandage on Tian’s bruised knuckles — the last one from the packet Tian had given him for his forehead wound. The night passes peacefully.
The next day, Tian wakes up early and heads to Uncle Ding’s house to fix his fridge. While there, Uncle Ding invites Wang over. When Tian isn’t around, Uncle Ding asks about Tian’s wound, but before Wang can answer, the older man explains how Tian has always pushed people away out of fear, growing up alone. He notes that Wang is the only person Tian seems truly close to and expresses his hope that Wang will never leave Tian’s side. This warms Wang’s heart.
The two head to the subway for the English test contest. Qi, determined to throw Wang off, brings up a negative comment the English teacher made about him. However, during the exam, Wang remembers the moment Tian handed him his refill pen and encouraged him to believe in himself. That memory helps him push through, and both Wang and Tian finish the test quickly. As they leave, they high-five each other, their bond stronger than ever.
The next day, the teacher questions why they left the test early, mentioning that Wang’s high marks had been affected by his late arrival. Qi overhears and becomes envious when he learns that Wang scored a 91, while he only scored in the 80s. In class, Wang and Tian find themselves in an awkward moment when they’re given the student accommodation forms. Neither knows if they should stay in their home as stepbrothers or move out together and make their connection something more.
Later, Wang sits alone in his room, holding the spheres from the physics lesson. He imagines Tian and feels a pang of sadness, worried that if either of them moves out, they’ll drift back to the way things were before they became close. The episode ends with Tian staring at his backpack, contemplating leaving home. Just then, his phone buzzes — Wang has changed his social media profile picture to black and updated his name. Concerned, Tian quietly leaves his room and heads to Wang’s, unsure of what comes next.
The On1y One Episode 5 Review
This episode offers a compelling mix of emotional depth and subtle character development, weaving together moments of vulnerability, friendship, and inner conflict. Xhao Xi’s class cleverly parallels Wang’s emotional state, with the physics lesson on Bernoulli’s principle acting as a metaphor for Wang’s fear of losing the people closest to him. The delicate balance between Wang’s introspective thoughts about his relationships and the more intense, action-driven scenes — like his confrontation with the thugs — gives the episode both a contemplative and gripping tone. The chemistry between Wang and Tian is especially poignant, as external pressures and internal uncertainties test their growing bond.
The episode’s pacing is well-crafted, alternating between lighter, more playful moments (like Wang’s request for a piggyback ride) and heavier themes of loneliness, fear, and loyalty. The subplot of Tian’s hidden involvement in stopping the thugs adds a layer of complexity to his character, while Uncle Ding’s conversation with Wang further deepens the emotional stakes, highlighting Tian’s struggle with vulnerability. The final scene, with Wang changing his profile to black and Tian quietly heading to his room, leaves viewers on edge, perfectly setting up the tension for future episodes. Overall, this episode strikes an excellent balance between heartfelt introspection and dynamic action, making it both engaging and emotionally resonant.
The On1y One is streaming on Netflix.