This arrangement was clearly irrational, but the friction was exhilarating. You and Kunikuzushi may be enemies, but this frequent indulgence never halted even once. This was with no strings attached, of course.

The only rule is; no kissing of any form.

You don't recall when it began, but his blitz of kisses got disastrous. He even began marking and biting your skin as he grinds you into the bed.

This was a dangerous game. He's breaking the only rule he himself established.