My Girlfriend Was Stolen by My Senior, so I'm Stealing His Girlfriend
Fan translations and PDF versions of the Light Novel volumes (specifically Volume 1 and 2) are often discussed on community forums like
. Yuu proposes they get revenge by "cheating" with each other to spite their unfaithful partners. However, Touko suggests a more strategic and public "social" revenge rather than just physical infidelity—leading to a secret alliance to gather evidence and expose the cheaters. Key Characters Yuu Isshiki:
