I need dramas/movies with a MALE YANDERE

Yandere doesn't need to be the male lead, he can be second male lead or villain.
It can be Korean,Japanese,Chinese. 

@jimochi   

- Jin Jiu Ling , a chinese drama with a villain being a yandere. 

- Scarlet heart ryeo, ml has yandere vibes.

- Well intended love , ml is a yandere.

-Secret , ml hated the fl then turned really obssesive. Chemistry between leads is really good.

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The second ML in The Eternal Love is Yandere, but I feel so bad for him still...