CAW Holiday Universe
Series Metadata
Listing Series
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The Perfect Gift by MatchaOcha (HakuSeki)
Fandoms: はたらく細胞 | Hataraku Saibou | Cells at Work! (Anime), はたらく細胞 | Hataraku Saibou | Cells at Work! (Manga)
29 Nov 2025
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Summary
1146 tries to think of what to get for AE3803 for Christmas. He wants it as something as special as his favorite erythrocyte, but nothing he can think of seems good enough.
U1146xAE3803.
Rated T for romantic ideations.
Estimated reading time: 38 minutes.
Series
- Part 1 of CAW Holiday Universe
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Hime Hajime by MatchaOcha (HakuSeki)
Fandoms: はたらく細胞 | Hataraku Saibou | Cells at Work! (Anime), はたらく細胞 | Hataraku Saibou | Cells at Work! (Manga)
27 Dec 2025
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Summary
AE3803 gets invited to her senpai's party on New Year's Eve in order to mingle with her family (the other red blood cells). 1146 lets her and spends the evening with his neutrophil squad instead.
With some encouragement, they both find out what family means to them and seek each other out to spend the rest of the night together.
U1146xAE3803.
Rated M for sex scenes.
Estimated reading time: 36 minutes.
Series
- Part 2 of CAW Holiday Universe
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The Way To a Neutrophil's Heart by MatchaOcha (HakuSeki)
Fandoms: はたらく細胞 | Hataraku Saibou | Cells at Work! (Anime), はたらく細胞 | Hataraku Saibou | Cells at Work! (Manga)
02 Feb 2026
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Summary
U1146xAE3803 as main pairing. U4989xAE3803 on the side, but it's unrequited.
It's Valentine's Day.
AE3803 decides to make handmade chocolates for 1146. But it's not turning out how she planned.
She seeks help from 4989 to see if her chocolates can still turn out favorably.
Recipe included in second chapter.
Rated T for romantic ideations.
Estimated reading time: 31 minutes.
Series
- Part 3 of CAW Holiday Universe
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Will You...? by MatchaOcha (HakuSeki)
Fandoms: はたらく細胞 | Hataraku Saibou | Cells at Work! (Anime), はたらく細胞 | Hataraku Saibou | Cells at Work! (Manga)
01 Mar 2026
Tags
Summary
U1146xAE3803.
It's White Day. 1146 doesn't know what to do for AE3803 since it's his turn to display affection.
After getting off work early to spend the rest of the day with her, he takes her to a special spot and makes the ultimate gift and decision for both their lives. The best "white" gift he could ever offer her--himself.
The only thing is what her answer would be.
Rated T for romantic ideations.
Estimated reading time: 32 minutes.
Series
- Part 4 of CAW Holiday Universe
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I Wish... by MatchaOcha (HakuSeki)
Fandoms: はたらく細胞 | Hataraku Saibou | Cells at Work! (Anime), はたらく細胞 | Hataraku Saibou | Cells at Work! (Manga)
02 Jul 2026
Tags
Summary
1146xAE3803.
--
The story of Tanabata is about star-crossed lovers that are forced into separation, only to reunite once every year during the Star Festival.
Wishes are written down on colorful strips of paper.
For 1146, it's a little more than a harmless custom. For AE3803, it's a simple charming tradition. Both still participate anyway.
But when an unexpected emergency tears them apart, the wishes that they quietly left behind become the only thing that guides them back to each other.
And before the day is over, both of them will believe those wishes were never meant to come true.
Sometimes, the shortest distance between two hearts isn't the route you planned.
--
Romance/drama.
Rated T for romantic ideations and grief.
Estimated reading time: 29 minutes.
Series
- Part 5 of CAW Holiday Universe
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Love Over Gold by MatchaOcha (HakuSeki)
Fandoms: はたらく細胞 | Hataraku Saibou | Cells at Work! (Anime & Manga)
26 Sep 2026
Tags
Summary
1146xAE3803.
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It's AE3803's birthday.
With the "help" of 4989, 1146 realizes he needs to get her a certain gift that's suitable for her birthday and their engagement.
He finds the perfect ring. But he then needs to make a certain deal for it.
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Comedy/romance.
Rated T for canon-typical violence and romantic ideations.
Estimated reading time: 35 minutes.
Series
- Part 6 of CAW Holiday Universe