Before I start, I just wanted to say that I'm sorry for this long post. I was watching an unboxing and I noticed the pairings. Each version have different pairings.

Ver A pairings - This is the most weird for me cause some of the pairings here don't seem to have a connection in the lore(i think). Chuu - Heejin

Yeojin - Haseul (same unit and Haseul was with Yeojin in that field)

Vivi - Kim Lip

Yves - Choerry (Yves gave the apple to Choerry)

Gowon - Hyunjin (Gowon made the bracelet and Hyunjin found it - I think they're more connected I just don't remember how)

Olivia Hye - Jinsoul

Ver B pairings - Here we have unit pairings. Heejin - Hyunjin Vivi - Haseul

Lip - Jinsoul Yeojin (?) - Choerry (this could possibly mean that Yeojin is part of OEC rn)

Chuu - Yves Gowon - Olivia Hye

Ver C pairings - Here we have just one pairing that apparently isn't really connected.

Heejin - Olivia Hye (first and last girl and Egoist MV)

Yeojin - Kim Lip

Yves - Vivi (new and EDILY)

Jinsoul - Choerry (Jinsoul gave the cherry to Choerry and same unit)

Chuu - Haseul (Heart Attack and Chuu is possibly in the same place as Haseul bc we can see the plane falling down in Why Not)

Gowon - Hyunjin (already mentioned)

Ver D pairings - Here we have unit pairings (I assume) but Yeojin and Choerry are with 1/3 this time.

Or maybe they just did this randomly. Leave your thoughts!