This was requested by HannaKarlsson167

I don't know if this reader is supposed to be human or spirit based, but I hope its ok if I add some powers into this. So the one-shot could fit together better.
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     You are (Y/n) (L/n), Jack Frosts best friend. Even though you've been with the guardians for a few months, it seems that the closest person you can get to is Jack. But you guys were just friends, and everyone knew that. You both were a bit childish and loved to play games. Jack had the most fun with snow activities, snow fights and sledding with kids, one of the most fun things to him.
     Though for (Y/n), her favorite thing to do was hang around animals, since she could shift to any animal she wanted to. And who else could she have more fun being with Jack, well the Easter Bunny of coarse. He may be a stubborn rabbit with a goal, but there was one thing he couldn't outrun, and that so happened to be (Y/n).
     No matter how hard he tried, he just couldn't shake the animal guardian off his tail. Even though he couldn't run or hide long enough from her, he actually had a bit of fun doing it. It wasn't normally something he would go for, but it at least helps him take the stress off from working on the Easter eggs for the world. And even though he'd never admit this to her face, he was glad the moon had chosen her with Jack.
     But the past few days, even with there being no trouble around, Bunnymund took notice that (Y/n) hadn't been visiting as much as she used too. She seemed to be more distant to him, disappearing days at a time before coming back. It's been about a month of her doing this, and Bunnymund couldn't help but start to worry for her.
     He's been keeping track of what days she leaves and when she comes back, wanting to see where she went. Currently he was fixing up some eggs, his ears flicking back at some movement behind him. Smirking to himself, he counted in his head before ducking. Falling in front of him was none other than (Y/n), the female grunting softly as she tumbled.
     When she had stopped moving, her face tinted red embarrassed as she shook her head, "I almost had you that time!"
Bunnymund chuckled, shaking his head as he stretched his leg out in front of him, "You sure about that Barbie? You're as loud as a little ole dingo puppy."
     Shrugging her shoulders, she giggled and stood up stretching, "Yeah yeah. Well it'll be the closest I'll get today I know that for sure."
     Bunnymund raised a brow at her, tilting his head slightly, "What do you mean by that? You leaving again so soon?"
     (Y/n) nodded slightly, her mood slightly changed, almost a little sad, "Yeah, but I'll be back soon. I just need to do something first." And with that said, she got up and shifted to a sparrow flying out of the area.
     Bunnymund however, wasn't going to let her go that easy. Keeping his distance from her disappearing form, he chased after her, keeping his eyes locked on her. He wanted to know where she was going and why, and if there was a reason, maybe he could help her.
     His ears perked forward as he would run into the bushes a few times. He couldn't risk getting seen since he had followed her so far from his home. It felt like forever until they finally stopped. Bunnymund stood behind a tree, looking around the trunk as he watched (Y/n) change back to her human form.
     Keeping still, he watched as (Y/n) walked into a cave. Sneakily, he made his way over and followed her into the cave. He held his nose up a bit, following after her scent since his vision was limited. But up ahead he could see a light, and her silhouette sitting against the wall. Some parts of the walls had moss growing from it, but what got to him more was the glowing flowers that sprouted from them.
     Looking back at (Y/n), he realized that she was making something out of the petals of the flowers. It was shaped like a heart but he couldn't make out the words that were on it.
     (Y/n) growled to herself, a bit fed up and sad with what she made. She was trying to make a Valentines page out of the moss and flowers. But everytime she tried to make it, it never looked good enough in her eyes. Sighing, she looked at the question on it before tossing it away, unknowingly to the visitor who followed her.
     She rested her head against the soft moss, mumbling loud enough for it to echo, "Bunnymund would never like it.. Maybe I should just quit and think of something else.."
     Closing her eyes, she tried to relax before tensing up hearing a familiar chuckle. A bright blush forming as she turned in it's direction, gulping when Bunnymund stepped into the light towards her.
     In his paws was the object she had thrown, a smirk on his muzzle as he waved it a bit towards her, "You sure I wouldn't like it Barbie? It's beautiful."
     (Y/n)'s cheeks were as red as tomatoes, stammering a bit in shock as he sat down next to her, "I-I uhhm, h-how did y-you find me?"
     The rabbit chuckled and raised a brow at her, "You thought you could outrun the Easter Bunny? I might have followed you all the way here." Frowning slightly, he motioned to the object, "Why did you think I wouldn't like it?"
     The female looked away, biting the inside of her cheek mumbling loud enough for him, "Because you're so cool and I'm not.."
     Humming, Bunnymund looked over the words and nodded, "Well I guess you were right, I didn't like it." Those words made (Y/n) sulk a little before he added onto it, "I love it!"
     Perking up, (Y/n) blushed softly and looked at him a bit shocked, "Y-You do?"
     The large rabbit chuckled, pulling her into his side, "Of coarse I do. What reason would I have to not like it?" He wrapped an arm around the smaller female, pulling her close into his fur.
     (Y/n) slowly smiled, her mood lighting up as she leaned against him, nuzzling up into his chest some, "S-So what's your answer for it?"
     Bunnymund smirked, grabbing her chin to make her look at him, "(N/n), My answer is yes." Leaning in, he kissed her forehead before resting their foreheads together.
     To hide her blushing face, (Y/n) giggled and nuzzled her face into his fluffy chest happily. She never expected this kind of reaction from him.
     The object she had made was actually a makeshift Valentine's card. The question on it glowed from the cave flowers petals. And the question that was on it was, "Will you be my Valentine?"
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(N/n) = Nickname