Two Fathers

They are both about two fathers who look after their young child as they start going to school.
Both families were judged by outsiders due to their unique family situations.
P&D is LGBTQ+ while Two Fathers is not
Wholesome family Taiwanese show
All 4 fathers are nice and kind-hearted

similarities:
Both are extended slice-of-life, slow burn Taiwanese dramas that explore relationships between colleagues, friends and romantic interests.
Both show unrelated people helping to raise a young girl.
Both share comedic moments and some extreme characterization.

differences:
Leads...2F = 2 men, F3 = 3 women
Extended family...2F includes family of 1 romantic interest, F3's mother-in-law and spouse are integral

Both stories focus on family relationship and both stories really great and unique . For those that like family drama you might want to give it a try.

Saionji, a housework-application employee who doesn't do housework, is enjoying the freedom of single life she's finally obtained after 38 years! However, she meets Kusumi, a genius engineer from Silicon Valley. The strange younger man has a big "secret"! This is a story of love and family, where Saionji-san, who has no housekeeping skills, takes on the challenge

Mi Yeon is an independent career woman and a documentary producer who became a widow after her husband died in a car accident over nine years ago. Despite that, she dreamt of having her own family so with the help of a sperm donation she gave birth to a boy. After her son turned nine years old, he set off to go to China in search for his biological father. Mi Yeon also went after him, and together they met the boy's father, Zhou Li Yan. The three of them go through some unexpected situations and become a family.

Even in modern-day Taipei, women feel the societal pressure to get married and have children before the period to have them. Thankfully, there is a solution: freeze your ovum and prolong your fertility. Zeng Mei Bao freezes her ovum and looks for the right man to start a family. In the pursuit of this man, she ends up in a wintry Swedish Province, where ice and snow becomes a metaphor for the unborn child who is waiting to be born

In both dramas a baby is left with multiple men who could possibly be the biological father and take care of the child together.

Shiomi Eiji is a florist. He is a single man with a young daughter named Shizuku. One day, he invites a blind woman seeking shelter under his shop awning to come in out of the rain. A surprising tale gradually unfolds as the story of their budding love transforms into a complex web of lies and dark motives. Nothing is as it seems at first, and each of the characters is burdened with their own painful secrets.