Fanmade Prussia song - help from japanese speakers?

[dancing-moon.livejournal.com]

So I've been kind of looping the fanmade Prussia song (Marukaite ikemen?) like insane, and I wonder if someone out there could perhaps help me pick out the romaji for it?
I've tried to type it down by ear, but I don't speak more Japanese than what I've picked up after some years of anime watchin so it's pretty difficult

My secret plan is not at all to make a karaoke version of this... oh no. [shifty eyes]

Here's my (v. v. wrong!) version
Oi Oi WEST BIER no kureo
Na Na ALTER Na Na ALTER

Mukashi ni tabeta KARTOFFEL no
Ano aji ga wasurerarenain da

Marukaite ikemen marukaite ikemen
Marukaite ikemen ore PREUSSEN

Marukaite ikemen jitto mite ikemen
Hyotto shite ikemen ore PREUSSEN

Aa hitorini de suo su subarashii sekai
???? ikemen

Ah ah hitori tanashi sugirushe
Kyo ore wa shiakuyatta na da

Marukaite ikemen marukaite ikemen
??? ikemen ore PREUSSEN

Marukaite ikemen hatto shite ikemen
Funzori kaette ikemen ore PREUSSEN

Aa hitoyuri de ???? Nakeru shiawase ya deno
Kotori yori no kakkoi ze ore-sama

Oi Oi WEST BIER no dodayo
Tsuide ni Japan tsuide kure
Yo Yo SOHN hewa ga ii yo no
Kesesese KANINCHEN
Oi Oi WEST So??? no yamero

Na Na ALTER Na Na ALTER
Mukashi ni tabeta KARTOFFEL no
Ano aji ga wasurerarenain da

Himitsu no shumi wa ???
"Hatschi"

(gets tired)

Mhm-mhmh-
Hmm...

...subarashi oresama
Kotori no yoni kakkoii ze
Ikemen

Aa sekaijunin nemuru oresama ????

Karada omedasu ze ???
PRUSSIA

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I didn't even try to type down the spoken parts, but if you can hear or read it, I'd love those too!

There is japanese lyrics in the video too, though often covered by English ones. Would be very grateful for any help =)

Comments

[dancing-moon.livejournal.com]

Ohh, that'd be very nice of you!

This is just copy-pasted from where I think it matches the original and the most easy to hear words. I know I'm missing big parts