Three Hundred Years of Longing

• Author: Mu Su Li
• Genres: Đam Mỹ, Xianxia, Xuanhuan
• Status: Completed
• Chapters: 128
• Rating: ★ 4.5 / 5
• Published: 2026-10-02

Twenty-Five Years of Imprisonment

Right from the get-go, Wu Xingxue is in a bizarre spot: he's a notorious archfiend who's been locked up for twenty-five years in the Canglang Northern Territory. He wakes up with total amnesia, only to find the outside world has completely moved on without him.

So, instead of the usual power-scaling grind, the story kicks off with a mystery surrounding his own identity. The more Wu Xingxue tries to figure out why the hell he was locked up, the more he realizes his past doesn't align with the present.

An Unplanned Reunion

The guy who actually keeps things interesting is Xiao Fuxuan, a cold-faced immortal who used to rule over the Canglang Northern Territory. They're technically on opposing sides, yet Xiao Fuxuan's presence only muddies the waters, making the questions around Wu Xingxue even harder to untangle.

The real hook is how the author doesn't rush to spoon-feed us their backstory. Their banter, subtle acts of mutual protection, and seemingly minor details constantly hint at a deeper history. The romance and the mystery are tightly interwoven, rather than running on separate tracks.

Memory and Karma

This is where you need to slow down. The novel utilizes multiple timelines, fragmented memories, and events that only make sense when pieced together, meaning a tiny detail dropped early on might not pay off until much later.

It's highly satisfying if you love playing detective. You can piece together clues about Wu Xingxue, Xiao Fuxuan, and the surrounding factions as you go. But if you just want a straightforward, linear plot that goes from point A to B to C, some parts will leave you flipping back chapters to remember what just happened.

More Than Just Romance

While Three Hundred Years of Longing centers on a BL romance, the real draw isn't just the main couple's relationship. The world-building—comprising Zhaoye City, Canglang Northern Territory, fiends, and immortals—provides a robust xianxia backdrop that adds layers of depth to the narrative.

Plus, Wu Xingxue is no naive, simple protagonist. He's mischievous, occasionally thick-skinned, and hides his real agenda behind an easygoing front. Paired with the cold, taciturn Xiao Fuxuan, their stark contrast makes for great chemistry, keeping even the low-action chapters engaging.

Pros

• Solid core dynamic: Wu Xingxue and Xiao Fuxuan don't just flirt; their interaction actively drives the plot forward to unravel past secrets.
• Excellent foreshadowing: Clues about their memories, identities, and past events are cleverly seeded early on before being gradually unpacked.
• Rich xianxia lore: Zhaoye City, Canglang Northern Territory, and the various factions prevent the world from feeling like it only exists for the main couple.
• Emotional weight: The romance is built on shared memories, choices, and past events, rather than relying on cheap fluff.
• Wu Xingxue's vibrant personality prevents him from being overshadowed by the overpowered, stoic Xiao Fuxuan.

Cons

• Convoluted, multi-layered mysteries require serious focus. If you read casually or skip details, trying to reconnect the dots is a headache.
• Certain side plots drag on before returning to the main couple, occasionally stalling the romantic progression.
• The complex web of xianxia concepts, karma, memory fragments, and non-linear events might overwhelm newcomers to the genre.
• With the constant barrage of massive plot twists, the shock value eventually wears off once you catch on to the author's formula.
• At 128 chapters, it's not overly long, but the sheer volume of information per chapter makes it impossible to skim-read without getting lost.

Community Reception

• Novel Updates: 4.2/5 (138 votes as of Oct 2, 2026), featuring tags like amnesia, multiple timelines, mysterious past, mystery solving, and deep love.
• Jinjiang: The novel is completed and enjoys a five-star rating on an author recommendation list, cementing its place alongside other prominent works by Mu Suli.

The Verdict

If you've read Panguan by Mộc Tô Lý, you'll recognize the familiar playbook: the author loves hiding crucial plot points in seemingly mundane details. However, in Three Hundred Years of Longing, the non-linear storytelling turns piecing together memory fragments into a core part of the reading experience.

The bottom line: This is a xianxia danmei best suited for readers who crave complex dynamics, multi-layered mysteries, and high-stakes romance rooted in the past. If you prefer a straightforward plot that doesn't force you to memorize every tiny detail, this one will probably exhaust you.

Tags: power couple, past lives, mystery