The Tragic Optimist: How Old Is Daisuke From Mouthwashing? (The Non-Canon Answer)

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The question of "How old is Daisuke from *Mouthwashing*?" is one of the most frequently asked mysteries surrounding the viral psychological horror game that dominated social media in late 2024 and continues to haunt players in late 2025. Unlike some characters in the *Mouthwashing* universe, the game's developer, Wither Studios, has not provided an official, canon birth date or age for the perpetually optimistic intern. However, based on strong in-game dialogue clues and developer hints, the community has overwhelmingly settled on a definitive age range that perfectly encapsulates his tragic role on the ill-fated *Tulpar* space freighter.

As of today, December 21, 2025, the best and most accepted answer to Daisuke's age is that he is approximately 19 to 20 years old. This estimate is not a guess pulled from thin air; it is a calculated conclusion drawn from his status as a fresh-faced intern, his inexperience, and specific details about his living situation mentioned in the game's unsettling narrative.

Daisuke's Profile and The Mystery of His Age

Daisuke is not just a character; he is a crucial narrative device in the *Mouthwashing* game. He serves as the emotional anchor and the symbol of naive hope that is systematically crushed by the grim reality of the *Tulpar* crash. His presumed youth is central to his character arc, and the community's consensus on his age is built on several key pieces of evidence.

Character Profile: Daisuke

  • Full Name: Daisuke (Surname not officially confirmed, sometimes fan-speculated as Juarez).
  • Role: Intern and the ship's most optimistic crew member.
  • Vessel: The *Tulpar* space freighter.
  • Supervisor: Swansea (the ship's mechanic).
  • Crewmates: Anya, Swansea, Curly, and Jimmy.
  • Estimated Age: 19–20 years old (Non-canon, community consensus).
  • Key Characteristic: Maintains an almost unnerving level of enthusiasm and optimism even after the catastrophic crash.
  • Narrative Function: Represents youth, innocence, and nativity pushed to its breaking point by extreme psychological horror.

The reason for the 19-20 age estimate is directly tied to his status as an "intern." In many professional fields, especially in the high-stakes world of space travel depicted in the game, an intern is typically a recent high school graduate or someone in the very early stages of a post-secondary program. This aligns perfectly with the lower end of the adult age spectrum.

The In-Game Clues That Pinpoint Daisuke's Youth

While Wither Studios has kept the ages ambiguous to add to the game's unsettling atmosphere, they have dropped significant hints that make Daisuke’s youth undeniable. These clues also help establish the ages of the other crew members, creating a clear hierarchy of experience.

1. The "Still Lives With His Parents" Detail

One of the most frequently cited pieces of evidence supporting the 18-20 age range is a line of dialogue or a note suggesting that Daisuke still lives at home with his parents. This detail strongly implies that he is a recent high school graduate who has not yet established full financial independence, a common scenario for a 19-year-old taking on their first major internship.

2. The "Early Intern" Status

Daisuke is explicitly referred to as an intern. Unlike the more experienced crew members like Swansea, Curly, or Jimmy, Daisuke is shown to be learning the ropes and often performing more basic duties. This lack of seniority and hands-on experience points to someone fresh out of training, typically in the 19 to 23 age bracket.

3. Contextual Clues from Other Characters (Anya's Age)

The developers provided a subtle hint regarding the age of another crew member, Anya, suggesting she is around 26 years old because she failed nursing school eight times (starting at 18, with one fail per year). If Anya, who is a few years into her career/education struggles, is 26, it makes sense for the "youngest" crew member, Daisuke, to be significantly younger, solidifying the 19-20 estimate as the most plausible.

Why Daisuke's Age is Crucial to the Mouthwashing Lore

The popularity of the question "how old is Daisuke *Mouthwashing*?" stems from the character's pivotal role in the game's psychological horror narrative. The game, which received widespread acclaim after its September 26, 2024, release, is a masterclass in slow-burn dread and character-driven tragedy.

The Tragedy of Youth and Optimism

Daisuke's youth and relentless optimism are intended to be a stark contrast to the grim reality of the shipwrecked *Tulpar*. He is the "useless ray of hope" in an otherwise relentlessly dark and claustrophobic environment. His character is designed to represent innocence and nativity, which the player witnesses being pushed to its limit and ultimately "killed" by the horrors unfolding on the ship. The younger he is, the more tragic his fate becomes.

If Daisuke were in his 30s, his optimism would be seen as foolish or deliberately ignorant. Because he is an assumed 19-year-old intern, his enthusiasm is interpreted as genuine, youthful naiveté—a fragile thing easily shattered by the psychological toll of being stranded in space with a dying crew. This contrast is what makes his character so beloved and his story so heartbreaking for fans of the game.

The Full Crew Hierarchy (Estimated Ages)

Understanding Daisuke’s age helps contextualize the entire crew's dynamics. The age differences on the *Tulpar* space freighter reflect a typical work environment, which adds a layer of realism to the sci-fi horror setting:

  • Swansea: The oldest and most experienced, likely in his 50s to mid-60s.
  • Curly & Jimmy: Seasoned crew members, estimated to be in their late 30s to early 40s.
  • Anya: Mid-career struggles, estimated to be around 26 years old.
  • Daisuke: The youngest and least experienced intern, estimated to be 19–20 years old.

In conclusion, while an official birth certificate for Daisuke does not exist in the *Mouthwashing* canon, the overwhelming evidence from the game’s lore points to him being a fresh-out-of-school intern, making him approximately 19 or 20 years old. This non-canon age is, in essence, the "correct" answer, as it is the age that best serves the tragic, character-driven horror that Wither Studios so brilliantly crafted.

The Tragic Optimist: How Old is Daisuke from Mouthwashing? (The Non-Canon Answer)
how old is daisuke mouthwashing
how old is daisuke mouthwashing

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