So a while back there was this manga where the girl had a bf lets call him b1and her g1. Then this other guy say b2 had a girlfriends g2. So g1 catches b1 cheating with g2 and b2 also knows so g1 and b2 choose to use each other to get back at g2 and b1 but it turns out that b1 never cheated and that she misunderstood and had ended up being the one who actually cheated but falling for b2 in the process.
So a while back there was this manga where the girl had a bf lets call him b1and her g1. Then this other guy say b2 had a girlfriends g2. So g1 catches b1 cheating with g2 and b2 also knows so g1 and b2 choose to use each other to get back at g2 and b1 but it turns out that b1 never cheated and that she misunderstood and had ended up being the one who actually cheated but falling for b2 in the process.