Lin Xu

Biodata

Background / History

Before joining Love Mailbox, Lin Xu is already a moderately well-known online singer, with several hit songs circulating on short-video platforms. He participates in the show while completing his senior year at the Conservatory of Music 6.

In the original novel read by Jiang Yumiao, Lin Xu is the central romantic protagonist. His musical performances, painting, and attentiveness attract the other contestants. He ultimately chooses Qin Yuan, marries him several years after the show, and shares a happy life with him into old age. Ning Chunchi’s feelings remain unreturned, and he never sees Lin Xu again after the show 1 2.

Jiang’s transmigration changes that trajectory. During the early island activities, Lin Xu develops his most substantial connection with Leng Haiyue rather than drawing the same attention from multiple guests. His attraction to Qin Yuan remains evident, but their eventual relationship has not been established in the altered storyline 19 42 45.

Appearance

Lin Xu has a youthful, delicate appearance that suits his student-like clothing. His eyes naturally seem affectionate, and his fresh presentation reinforces his innocent image 1 9.

• Build: Tall and slender 6.
• Everyday style: Slightly boyish student clothing; he has no personal stylist during the island stop 9.
• Performance outfit: A white shirt for the yacht music party 33.
• Youthful face: Qin Yuan mistakes his appearance for that of a possible minor, despite Lin being twenty-one 20.

Personality

Lin Xu is cheerful, outgoing, and attentive to others. He notices Jiang Yumiao when most contestants overlook him, offers water, and quietly warns him about a possible approaching heat. He also redirects the conversation when Jiang’s awkward reaction to Ning Chunchi leaves the room uncomfortable 1 3 16 20.

His friendliness does not eliminate his shyness. Qin Yuan’s distant manner intimidates him, and he becomes bashful around the Alphas at the hot spring. Onstage, however, he performs confidently; afterward, he returns to his usual shy demeanor 9 23 33.

Lin is sensitive to other people’s feelings. He writes to Leng Haiyue partly out of guilt for not choosing him during the introductory quiz. Later, he feels uncomfortable being drawn into An Zhiwan and Mu Yunzhi’s tension, but cannot bring himself to refuse An’s invitation 13 37.

Abilities & Skills

Singing and Songwriting

Lin’s singing career predates the dating show, and his existing songs have gained traction online 6.

• Opens the yacht music party with an upbeat original song 33.
• His clear voice and cheerful melody draw the guests into the party atmosphere 33.
• In the original novel, his singing also goes viral online 1.

Piano

Lin accompanies his own singing on the piano during the yacht party. His musical background makes Yu He anxious about performing immediately afterward 32 33.

• Combines piano playing and vocals in a successful opening act 33.
• In the original novel, a piano performance astonishes the other guests 1.

Painting

• Produces lifelike pictures in the original novel; the provided chapters do not document a corresponding painting scene in the altered storyline 1.

Cooking

• Makes congee for the shared household and calls the guests to breakfast 21 22.
• His original-novel counterpart volunteers to prepare breakfast despite having limited cooking ability, since the other guests rarely use the kitchen 21.

Relationships

• Qin Yuan — Lin’s primary romantic interest and eventual husband in the original novel. In the altered storyline, Lin continues pursuing him, but the production staff still regard Qin’s romantic intentions as unclear after the first stop 1 42 45.
• Leng Haiyue — An early companion and recurring activity partner. Leng chooses Lin in the introductory quiz, exchanges letters with him, and speaks mainly about him during his solo interview 9 13 20.
• Jiang Yumiao — Fellow Omega and friendly housemate. Lin checks on his health, shares breakfast with him, and admires his willingness to campaign publicly for Ning. Jiang respects Lin’s kindness and supports his original pairing with Qin 1 20 21 27 35.
• Ning Chunchi — An unrequited admirer in the original novel. The narration questions how deep his attachment to Lin truly was; in the altered storyline, Ning’s attention remains on Jiang during Lin’s yacht performance 1 33.
• An Zhiwan — Fellow contestant who invites Lin to spend the free-exploration day with him. Lin accepts uneasily; Yu He later recognizes that An is using companions to avoid facing Mu Yunzhi alone 37 38.
• Mu Yunzhi — A late-stage suitor in the original novel, where he gives Lin a rose and chooses him during the final confession segment. In the altered storyline, Mu instead publicly pursues An Zhiwan 35.

Story Role / Major Arcs

East Xia Island: First Meetings and Dates

Yacht Party and Departure