"Suddenly, Robin's hands began to ascend the dragon's sides once more, only this time they didn't come back down...Instead, they nestled into Ichi's warm armpits and vibrated wildly. There was a moment of silence as Ichi's body processed the sensation before he arched backwards, laughing heartily. "Ohoho! It...Ihihihit...!" the dragon chortled. "Tickles, right?" said the raccoon, a hint of smugness in his voice as he continued to drill his fingers into those sensitive hollows. Ichi's tail thrashed around like a happy dog's, his long hair repeatedly buffeting Robin in the face as the dragon shook his head in peals of laughter. "Kitchy coo, gramps~ Do ya need a break?" teased the raccoon as he slowed down the tickling slightly."

An excerpt of  Ursa_Magnum's story "Kusuguru Connection".
Original story here: https://www.furaffinity.net/view/35115881/