And, I didn't upload the video because I am not responsible for the song. Suteru-san downloaded Arika and apparently decided to use her in an original song. Suteru-san is probably the one who uploaded the video.

Rankings are based on the video's popularity. It is difficult to make ranking.

(though, to be honest, the monstrosity that happened a couple of weeks ago was kinda too much…)

You can try and search 歌ってみた ランキング on NND. Dunno if that will work (office IP block won’t allow me to go to NND ATM).

If you're willing to overlook comment overcrowding and treat it like a good thing, why limit it in the first place?

My thoughts:

30: I'm seeing mentions of a CD in the comments, so I assume that's why it's up. Of course, I'm not tracking what CDs are released, so I'm probably wrong.
29: I find shiteyanyo cute in a very, very weird way. It's ugly-cute. Most of the time.
28: This probably won't end up staying much longer. Shame, it's an okay song.
27: Looks like WEU just won't give up. Still, it's slowly dropping, so this is probably a futile effort.
26: You know what, I don't think this song is bad at all. The lyrics, though, just really turn me off from it. It's also one of those songs that regular status actually hurts, it's pretty good on the first listen but gets really annoying after so many repeats.
25: Call me a hypocrite since I like Rollin' Girl, but I think Miku's singing too high for me to enjoy this.
24: …and it falls just as unexpectedly as it rose. Anyone have any idea why it rose so much?
23: Somehow, I doubt that this will stay for a while.
22: The background music is underwhelming and Miku's voice doesn't go well enough with it. I don't think this is going to stay either.
21: For a song that says "from now on I'll move around", it sure isn't moving that much.
20: "Forgotten" is right. This isn't that memorable for me.
19: 3.13% isn't that big of a boost for a CD coming out.
18: Gumi just sounds odd in this song. I don't like it that much, it sounds a bit like it was made up as it went. But I'm just judging by the clip, so the rest might not be like this, so disregard me.
17: This just refuses to leave. Why does the cover of the parody, out of all things, stay?
16: There's something about a 1/6 clone on 16 that amuses me.
15: I just saw the whole song and it is amazing.
14: Looks like things are going back to normal.
13: Guys, could you stop the hate on the song? I like it.
12: It's going up slowly but steadily. I wonder if it'll be on the top 10 at any point?
11: Nothing special, honestly.
Pickup: There are so many cute songs out there that I'm getting desensitized.
10: This reminds me of the two times Melt hit third place while already cemented in regular status. They just don't do that anymore.
9: A million views certainly didn't do this to other songs, unless I'm missing something. This isn't even that big of a hit compared to those long-standing ex-regular songs, so what's the deal?
8: Well, at least it's in the top ten. This song is great.
7: No idea why this one is higher. When you notice the glitching in Luka's voice, it becomes painful to listen to. Like a…knife.
6: Too fast. Other songs can be fast and pull it off, but this is just too fast. Sorry.
5: I don't care for this one. There's just something missing about it.
4: It's pretty nice, but for some reason Luka sounds like Len, unless Len is in here and I'm missing it…
H5: Visually more impressive than musically.
H4: Toeto needs to be a regular. No, seriously. It doesn't deserve to lurk under 100th place.
H3: …Seriously. Can't they use another clip for the History segment?
H2: Yeah, yeah, great art, but not enough for me to like it.
H1: In my opinion, this is the most overrated Vocaloid song ever. It's not very impressive, honestly.
3: The electric guitar in the background (sort of drowned out by the instruments) is interesting, but that's it.
2: I wish this song fit the video like Nebula so it could be amazing.
1: I knew this would happen when I saw this top the Ranking Watcher for a while and then fall off. I'll wait for the subs to come out to watch the whole thing, but thanks for the warning.

I've been seeing some mentions of an Utatte Mita ranking. Any idea on where to find that? Nobody who speaks English seems to care about its existence except here, so I'm out of luck searching on my own.