Reverse Harem, Love Rival, Love Triangle Part 1.

Adapted to Kdrama
Human-Nonhuman Relationship
Android-Human Relationship
Love Rival
Love Triangle
Childhood Friends
Neighbor-Neighbor Relationship
Handsome Male Lead
Live-in Lover

Adapted to Anime
Mistaken Gender
Appearance Changes
Female Disguised as Male
Hidden Identity
Calm Female Lead
Poor Female Lead
Studious Female Lead
Handsome Male Lead
Princely Male Lead
Narcissistic Male Lead
Opposites Become Friends
Love Polygon
Slow Romance
Serious Female Lead
Dense Female Lead
Capable Female Lead
Blushing Male Lead
Student-Student Relationship
Reverse Harem
Friends Become Lovers

Adapted to Anime
Haunted House
Cohabitation
Mysterious Male Lead
Handsome Male Lead
Youkai, Half-Demon, Guardian Spirit,
Spirit Power, Exorcism
Reverse Harem
Human-Nonhuman Relationship
Curious Female Lead
Strong Female Lead
Protective Lover

Adapted to Anime
Curse, Animal Transformation
Cohabitation
Friendship
Happy-Go-Lucky Female Lead
Kind Female Lead
Popular Male Lead
Student-Student Relationship
Dense Female Lead
Slow Romance
Love Triangle
Strong Male Lead
Strong Female Lead
Tsundere Male Lead
Hot-Blooded Male Lead
Clumsy Female Lead
Reverse Harem

Country Bumpkin Moves to City
Tomboyish Female Lead
Cheerful Female Lead
Strong-Willed Female Lead
Cohabitation
Handsome Male Lead
Innocent Female Lead
Entertainment Industry, Modeling
Slow Romance
Love Triangle
Older Male x Younger Female

Secret Marriage
Cohabitation
Younger Brother, Childcare
Married Couple
Cosplay
Slow Romance
Student-Teacher Relationship
Older Male x Younger Female
Love Triangle
Strong Male Lead
Strong Female Lead
Possessive Lover

Newlywed Couple
Long-Distance Relationship
Younger Brother, Childcare
Married Couple
Cosplay
Older Male x Younger Female
Strong Male Lead
Strong Female Lead
And they have a child at the end of the story

Adapted to Anime
Child Protagonist
Showbiz, Child Actor/Actress
Famous Parent
Cute Female Lead
Student-Student Relationship
Love-Hate Relationship
Rivalry
Slow Romance
Love Triangle
Mature Child
Rivals Become Lovers
Smart Couple
Strong Male Lead
Strong Female Lead

Transported to Another World, Magic Book
Based on an Otome Game
Time Travel, Three Kingdoms Period
World Travel
Reverse Harem

Full Color Manhua
Reincarnated in Another World
Reincarnated in a Book World
Transmigrated to Another World
Personality Change
Misunderstood Female Lead
Reverse Harem
Martial Arts, Cultivation
Strong Female Lead
Slow Romance
Yandere Male Lead
Older Female x Younger Male