By Hyadain.
Duration: 3:45.

Listen on YouTube.

Tracks that Xmas? I don't know such a thing!! references:

• The One Horse Open Sleigh by James Lord Pierpont

Tracks that reference Xmas? I don't know such a thing!!:

From Fandom:

• METAPHYSICAL TERROR / METAFICTIONAL ERROR (off-vocal) by Cecily Renns

Lyrics:

Jingle bells! Jingle bells! Jingle all the way!
Oh, what fun it is to ride in a one horse open sleigh

"Nani ga merry Christmas da…" ("What is this 'Merry Christmas'...")

Single! hell! Single! hell! Single! always!!
Nannen renzoku ni narimasuka nee? Hitorikiri!! (How many years in a row now? All alone, huh!!)
Single! hell! Single! hell! Single! always!!
Minna happy!! tte wake janai n datteba kurisumasu!! (Not everyone is happy, because it's Christmas!!)

Hanayagu machi kotoshi mo kurisumasusuibu (The town is bright again this Christmas season)
Kyonen to onajiku shigoto iremashita (It's the same as last year, I'm working)
Halloween to ka valentine day to ka (Halloween or Valentine's Day or whatever)
Maa kirai tte wake janai n dakedo kayanosoto! (Well, it's not that I hate them, but I'm just outside looking in!)

Kyou ashita gentei! Kamisama shinjiru!… (Limited to today and tomorrow! I believe in God!...)
Nan dake tsugou ga yokunaikai? (Just why doesn't it fit my convenience?)
"Seinaru yoru wa seinaru yoru" to mukashi no kotowaza ni mo arudeshou!! ("The holy night is a holy night," there's also an old saying like that, right!!)
Daitai merry Christmas no merii tte nani!? (Mary had a little lamb) (What does the "Merry" in Merry Christmas mean anyway!? (Mary had a little lamb))
Aa souda shitto da! Shitto no nani ga warui!? (Ah, that's right, it's jealousy! What's wrong with jealousy!?)
Aete iou merii kurushimimasu!! (For now, I'll say Merry "I'm in pain"!!)

Single! hell! Single! hell! Single! always!!
Santa fuku de baito shiteru yatsu ni shinpashii (Sympathy for the guy working in a Santa suit)
Single! hell! Single! hell! Single! always!!
Fried chicken ippon kattakedo ne Christmas (I bought a single piece of fried chicken, you know, Christmas)

Morming Morming Morming Morning, urayamashii naa (Morning, morning, morning, morning, I'm so envious)

We wish you a merry Christmas
We wish you a merry Christmas
We wish you a merry Christmas
And a happy New Year!

Ti, tissue!! Muryou douga (Ti, tissue!! Free video)
Ti, tissue!! Minisukasanta (Ti, tissue!! Mini-skirt Santa)
Mai chirase, ☆ 俺のWhite X-mas ☆ (Scatter around, ☆ My White X-mas ☆)

Single! hell! Single! hell! Single! always!!
Mayonaka denwa kakemakutte miru yo OO terebi (I'll try calling someone in the middle of the night, XX TV)
Single! hell! Single! hell! Single! always!!
Netto de kizu name au itsumo no Christmas (Licking wounds on the internet, the usual Christmas)

Chicchai koro wa asa me o samashitara (When I was little, when I woke up in the morning)
Makura no soba ni wa omocha ga arimashita (There were toys next to my pillow)
Me o samashitara nomihoshita akikan (When I woke up, I downed an empty can)
Chuuko de katta manga to keetai juudenki (A manga I bought second-hand and a phone charger)
Single! hell! Single! hell! Single! always!!
Asu ni nattara machi mo sou irekae ki ni sun na! (When it's tomorrow, who cares about switching places with others in the city!)
Single! hell! Single! hell! Single! always!!
Kitto rainen wa happy matteru hazu Christmas! (Next year for sure, I expect it to be a happy Christmas!)

Monodomo dama rei! (All of you, shut up!)
Nihonjin'nara montsuki hakama de (If you're Japanese, wear formal kimono and hakama)
Osechi o kuu no ga dentoujaro gai (Eating traditional New Year's food is the tradition, right?)

Hitori de ikuze! Hatsumoude!! (Let's go alone! To the first shrine visit of the year!!)