Seven's Links
Lemon is Seven's friend. While Seven often spends time around Nyx and others, they are also very close to Lemon, and a bit protective. Lemon isn't very ingrained into the main friend group of Seven's, but is one of Seven's closest friends. Seven becomes very happy when Lemon is around, and loves to be physically close to her, though she isn't as touchy feely as some of Seven's other friends.
Nyx is a little animal companion to Seven. They generally stay in their catdragon form around Seven. Seven likes to have them around, but isn't possessive. Seven likes to be physically close to Nyx, as Nyx is comfortable with that (as long as it's not by surprise).
Nyx feels safe around Seven. When Nyx isn't around them, Nyx tends to change forms as Nyx gets a bit anxious. Nyx is generally rambunctious, but when they are around Seven, they include Seven in that sentiment more, trying to share their joy with Seven. When Nyx gets tired, they also like to lay down next to Seven.
Shitpoop is literally just some ocelot that Seven happens to know. Seven likes meeting new ocelots, since they themselves are an ocelot.
"omg ocelot"
While Seven and Nova used to be closer, they have since sort of drifted apart. Regardless, they are still friends, and like to play games (such as Rocket League) together. Seven acts a bit chaotic when Nova is around, and generally is more energetic. Seven loves to tease Nova as well.
*pat pat*
Seven has a vaguely complicated relationship with Robin due to ... interesting past events. They still remain close and talk fairly often. Because of this, Robin's become more a part of Seven's friend group.
Seven and Bunnz are friends, and hang out some. They like to play games together, including bowling (Bunnz is lowkey an addict) and Duotrigordle. While their friendship can be rocky at times, they're still relatively close.
Fier is a sort of counterpart to Seven in terms of design. Fier is part of Seven's friend group, and while she isn't incredibly close to Seven, they do tend to interact some due to the friend group dynamic.
Fier is a bit more laid back than Seven, and tends to be more of a loner than Seven is. Fier also isn't as constantly cheery as Seven is, but tends to put on more of a happy face in general. Because of this, these distinctions aren't as obvious.
Vertigo and Seven hang out together sometimes. Seven tends to be more subdued when they're with Vertigo, and overall more placid. They generally participate in parallel play, being in the same physical location but not interacting much.
Vertigo ends up spending time around Seven due to their shared friend group. Vertigo is more quiet around them (as he's quiet in general). They aren't super close.