Is This Account Sharing?

My girlfriend doesn't have a functional right hand, but she wants to play league anyways. So together, we created an account for her to enjoy the game. The deal is that I handle the mouse for her, and she pushes all the keyboard buttons. She holds the password for the account as well as its linked credit card information, so I can't log in and play (or spend RP) alone. I know it technically is "sharing", but the Term of Use consented both of us as one subject, and the user(s) of this account never switched. My question is, is this a breach of any game rule? (Not posted from said account for obvious reasons)
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