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“Pinky swear!” Gon blurted, lifting his little finger.
Killua scoffed, masking his endearment, though a smile peeked through the faux annoyance. He reluctantly locked his pinky with Gon’s.
“So if I lie, stick a thousand needles in my eye…” Gon singsonged rhythmically, “...and seal it with…”
Gon leaned in, his eyes fluttering closed, lips brushing against the other’s. He pecked a brief kiss before pulling away with a shy smile. Killua blushed a soft pink, his lips parted with a noiseless gasp.
“...a kiss!”
“You’re embarrassing, Gon,” Killua muttered, flustered and rose red.
Gon only beamed a doting grin back.