Art from my Sheith fic He's The One For Me.
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“Thank you,” Keith nodded as he sniffed the air. One ear moved back for a second before Keith hissed softly. Shiro was lost for a moment before it registered.
“It's just Lance,” Shiro reassured as Keith growled, “He's the one who helped us get back to each other.”
Keith glanced at man who was busy talking to Allura, giving them some privacy as Hunk brought in some drinks. Shiro watched as Keith relaxed against him, huffing before brushing his hair against Shiro's chest, “It's just that you smelled weird and when you got back last time, you smelled then too. I just wanted to make sure you were okay. He didn't...he wasn't mean?”
“No,” Shiro smiled gratefully at a skeptical Keith who stared at him with the cutest look, “He's very nice. Talks a lot, but has a big heart.”
“Allura too,” Keith smiled, “She's nice too.”
“Keith?”
“Yeah?”
“It's good to have you back.”
“It's good to be back,” the younger smiled warmly, burying his face into his neck. Shiro sighed happily, knowing the moment was going to end, but he had Keith right now.