You Complete Me

Both are mini dramas in which one of the leads approaches the other lead intentionally for their own purposes, but the other thinks it's a coincidence and are hurt when they find out. The two end up genuinely falling in love.

Both dramas include the trope where one of the leads is "allergic" or gets nauseous when touched by the other gender. In Walk Into Your Memory, it's the male lead, whereas it's the femals in You Complete Me.
Apart from this though, the other aspects of the two dramas are different.

Both are mini dramas in which the leads approach each other for revenge or something they want to gain, only to discover they're genuinely falling in love.