I'm very new to this so like... Ok here : this parallels WL2 because the song has the lyrics along the lines "nevertheless I want to meet you" They are in different orbits because they aren't in the same group anymore "My feelings are drawing an orbit, only chasing after you" Is Tsukasa chasing after Rui to America because "nevertheless I want to meet you", Rui sang “In the distant cosmos I fell in love with you” followed by Len (the hypothetical “narrator” the one who tells us what they can’t/don’t say I theorized) singing “Even though I understand that I won’t reach…” is because he knew he wouldn’t be able to reach Tsukasa because he is in Arcland (if we take the WL2 route) or he convinced himself that Tsukasa wouldn’t return this “feeling”
“A- I wanna meet you” sung together by Len and Rui may suggest that Rui does want to do that but he cannot admit it/can’t do that because he’s in the wonderful jolly place that’s called Arcland! I mean you can tell his ass does NOT wanna be there in his WL2 card 😭😭, anyways “My feelings loop and loop” sung by Rui of course I don’t understand Wakusei loop FULLY but I believe he can’t shake his dumb love off even in Arcland, followed by Len singing “I feel like I’m gonna lose it, I can’t exchange with you anymore than that” now this probably means two things : Rui cannot/does not have the time to actually talk either Tsukasa anymore ever since Arcland shit happened or Len is sick and tired of third wheeling the 5th time, “A- I wanna meet you right now” by Tsukasa and Len basically shows the Chapter 4 for WL2 at least he makes an effort to actually MEET Rui,
Tsukasa followed by singing “The coming days loop too, they loop” is screaming “Holy shit these days without him are fucking ass I want to see him *cries*”. Len singing “Even if you’re not in this orbit…” and he got cut off by Tsukasa which is far ngl but he sang “A- nevertheless I wanna meet you- I loop around many many, I loop” I want to think of this as some bullshit he’s pulling off or that’s him before he actually had the chance to meet Rui again. Rui sang “My heart is crying with you, that alone is certain” there’s no Len in any of them which means those feelings alone they are aware of those feelings now, Len sang “That alone… is all i need.” Is for both of them, that feeling is all they need, even if they don’t admit it, they all sing together in 2 verses “AA, just as the stars turn, we keep on looping forever” Len is there because he is preventing them on kissing right then and there I’m just kidding but it is true the real reason is the “we” is there because they maybe just realize/want the feeling to be mutual. Rui sang “My feelings are like an orbit, only chasing after you!” Probably means nothing but I like to think that he’s fucking yearning, Tsukasa sang “Aa, I wanna meet you right now, my life loops around, is loops. Even if you’re not on this orbit…” he’s maybe thinking about Rui always (when is he not), They all sing “I can’t think of anything else!” Because that’s what happens if you separate Ruikasa they just can’t think of anything else other than meeting each other, Rui and Tsukasa separately sang “There, generally, is only love” without Len, they knew they’re gay smth idk/they realize that feeling is generally love with the side of yearning/loneliness/depression/Arcland.