I watched on Netflix it was Kim Eun-su. Maybe she found Heedo’s diary on the bus and returned it to Yijin by mail since Yijin’s residence ID card was inside Heedo’s diary. I think it’s a girl since Eun-su is a feminine name. At first I thought that Yijin found it since he got on the bus as soon as Heedo offloaded, but we were trolled.

yikes I feel proud about dropping it and putting it on hold until it was done airing

 luna:

what is this ending 🤧🤧

😭😭😭😭

 Choi Taek:

I thought might be father of kim min chae 

That's what I thought at first too but Eun-seo is a girl's name in Korea.

There were even rumours of an A-list celebrity like Gong Yoo or Park Seo Joon to appear as Min Chae's father.

If it were me, I'd go for Lee Byung Hun. Kim Tae Ri's love interest in Mr. Sunshine and segue to promoting "Our Blues" since his drama will be replacing 2125 schedule.

 PickyPrincess11:

There were even rumours of an A-list celebrity like Gong Yoo or Park Seo Joon to appear as Min Chae's father.

If it were me, I'd go for Lee Byung Hun. Kim Tae Ri's love interest in Mr. Sunshine and segue to promoting "Our Blues" since his drama will be replacing 2125 schedule.

bravo 😂😂😂

 Fourthaxis:

So who exactly is the father? I'm still confused.

don't know 

still not clear