As his hand moved, Phineas felt his eyes slide shut, and his head leaned backward. A strange fire was blooming in his gut. He made small moans of pleasure that sounded strained, as if they'd failed to be held back. His arm moved faster. He stroked, and stroked, and stroked-
Ferb snapped his fingers, breaking Phineas' trace with a 'huh?'
Ferb gave a semi-glare.
"Oh, right. Uh, am I supposed to do something else?" Nod from Ferb.
"Really?" Phineas questioned, sounding as if he doubted there was anything more gratifying than what they were doing now.
Ferb pointed at Phineas, and then spread his legs to point between them. Phineas stared, mouth open and drying. He coughed.
"Will I…fit in there?" he asked finally, blushing.
Ferb nodded, lying back on his elbows invitingly.
Gulping, Phineas walked forward and pulled his way up onto the work table, Ferb laying all the way back as he did, so that he was kneeling over Ferb on all fours. Heat rushed all over his body as he looked into Ferb's magnetic, sultry eyes from such a close proximity.
"So, do I just…go in all at once then, or..?" Phineas asked. Ferb shook his head and made big 'no' gestures with his hands. He then made pushing motions to signify 'sloooow'.
"O-oh, right. Gotchya." Phineas nodded, sweating nervo...