4. We Best Love: No. 1 For You - ML1 likes the other ML2 secretly since they were children, but ML2 hates him, so on the outside it looks like they are rivals. But ML1 didn't really show his hate outside, people just assume that they are rivals.
does this count?
5. Light on me - ML1 likes ML2 secretly since the first time he saw ML2, but ML1 always shows hate towards ML2 and this makes ML2 to also hate him.