the stalker, who probably has feelings for Mirim's new boyfriend, goes mad because they're a couple now and at one point she's going to seriously hurt Mirim but thanks to some fated coincidences brother-in-law is nearby and saves her. Then he helps her to heal, their relationship deepening and eventually they start dating. What's still a mystery is why the main leads went back in time... If they can't prevent the love between their siblings...
Interesting, this seems to be a lose-lose scenario with fate. If they don't do anything, they will end up meeting naturally, if they do interfere, that interference somehow causes them to meet up anyways. LOL that is pretty funny