http://asianwiki.com/Holiday_Love
Takashi Tsukamoto is Junpei. :D
Viki has it as "coming soon," though this came out a year ago. Doesn't take that long to sub, dang it. https://www.viki.com/tv/36322c-holiday-love?locale=en
Dramafever has it, but you have to disable ads and it has video ads, too. Google it. Mangago didn't let me post the link.
SPOILERS:
Watched the last episode to see how it resolves:
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It seems like the confrontation is a bit different than what we're seeing here and Reika is differently portrayed. BUT...
Wataru does apologize to Rina and offer reconciliation and she turns him down and returns the ring. He lets her take the children. The children then say they wanna stay with Papa and Rina loses it.
The final confrontation with Azu has Junpei telling her he'll never go back to her, even if it's decades, or he dies, or he's reborn. He and Azu know everything to seduce Junpei was planned--and no coincidences--plus the Azu-framing thing. He tells her to disappear. She loses it again.
She ends up going to his job--after sending a bulk email to all the offices to let them know of the affair--and has a nasty moment in the lobby of Junpei's office where she says she lost everything, so why does he get to be happy. It's an ugly, hysterical scene Security tosses her out and she runs into the street and gets hit by a car. (Yay. ) SAdly, the bitch doesn't die (but we never see her again).
Junpei resigns, they lose their house, they have to start over in a new place, but they are hopeful and willing to work on a happy future.
We see everyone else going on with their lives--Wataru is shown being a very good papa--cooking and doing laundry and stuff. He also goes to a singles matchmaking event and meets a nice divorced lady, to whom he says: "I made mistakes. I don't want to repeat them." The hairdresser who had framed Azu (and had told Rina he'd rather turn himself in to cops than cooperate any more with her) is working happily.
So, everyone who learned a lesson ends up paying some price, but happy.
Rina, who refuses to apologize and learn and grow, ends up alone and hit by a car.
I say that's justice..
Anyone, do you like me to give you a link website?
I put the link. First Mangago deleted it, but it seems to be back (scroll up). Dramafever.
All of this would have ended early if they just realized that Rina is a mentally ill person.