"Interminable" and "I Feel You Linger in the Air" are historical drama series center around an estate that is significant to the protagonist transmigrated either from the past or the future. Either way, the protagonist has an infinity with the owner of that estate, a promise awaited to be fulfilled.

"I'll Turn Back This Time" and "Borhters" series are about stepbrothers brought together by their parents remarried. They started with a hiccup living together as a family. They get to know more about the other over a course of time being under the same roof. Their feelings develop into love that was more than a brother.

"I'll Turn Back This Time" series and the movie "My Bromance" are about stepbrothers brought together by their parents remarriage. After spending time together as siblings not fond of each other at first, they started to develop feelings that led them into falling in love with one another.

"I'll Turn Back This Time" and a side bl couple in "HIStory2: Crossing the Line" are alike with stepbrothers brought together by their parents' remarriage. It started with a one-sided love and eventually turned into love for one another.

Both "I'll Turn Back This Time" and "Addicted Heroin" series are about stepbrothers brought together by their parents remarriage. They both started out not liking each other. Eventually, after spending time knowing more about the other, they grow fond of one another and that led them into falling in love.

Both "I'll Turn Back This Time" and "Stay With Me" series are about stepbrothers brought together by their parents remarriage. They both started out not liking each other. Eventually, after spending time knowing more about the other, they grow fond of one another and that led them into falling in love.

Both of these series are about stepbrothers brought together by their parents remarriage. They both started out not liking each other. Eventually, after spending time knowing more about the other, they grow fond of one another and that led them into falling in love.

Both BL series are about stepbrothers brought together by their parents remarriage. They started out not so friendly with each other, but eventually they developed feelings for one another.

High school student Hirukawa in Our Youth (English title) lives with an abusive father which is kinda similar to Do Hoe in Let Free the Curse of Taekwondo.

The other thing that both of these dramas are about coming of age high school boys learn to love and depend on each other mentally to escape the harsh home environment and the prejudice of those against delinquents.

Midnight Studio and Tomorrow series deal with guiding the spirit of the deceased to the afterlife. Both series deal with miscellaneous sorrows of the living departing with the dead.

Both Triage and Time are about going back to save their loved ones. The only difference is that in Time a timepiece allows the protagonist the ability to go back. Triage, on the other hand, the protagonist gets sent back automatically if he fails his mission to prevent the death of his lover.

The main couple in TharnType and Stay By My Side starts out as enemies then turns to lovers. Initially, one would try to drive out the new roommate but was unsuccessful because the other would retaliate by other means. Their dorm mates would also be involved in their feud.