not necessarily green flags (like Park Yoonsoo of Olgami/Trapped). Just complex in characterization AND written so well
mostly memorable male lead characters
reels-edit worthy (probably watched hundreds of edits for these characters)
some are memorable green flags. Not all green flags will be that interesting and memorable so I just listed ones that are. Full list of green-flagged MLs are here: https://xbato.com/batolist/qvdvxl