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: something of a stretch, police officer ends up being the guardian, lover or both, of everyone at a high school.
Desert Stalker: dad is taking care of business.
Diary of My Perversion: MC is taking care of everyone, and there's sex too.
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: MC is youth who ends up taking care of everyone. This one is a stretch, but it's such a good game.
Family Vacation: father of a very close family in a series of family escapades and antics.
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: MC is father figure who ends up with charges that share a kind of family dynamic.
Friends in Need: MC is taking care of everyone.
: dad meets and builds relationship with with his girls.
: Young man comes home from collage and answers everyone's question, assuming everyone asked "Who's your daddy"
: youth ends up taking care of everyone.
Lessons in Love: school teacher learns about the personalities and lives of all his students.
: literal dad working on his relationship with his daughters.
: uncle moves into brothers families home, and injects himself into everyone (female).
: dad and his family relationships. Of note the author died with the story incomplete, so there is an offshoot and maybe a remake in the works.
: youth steps up and solves a lot of problems.
: older brother (MC) moves out and his almost adult sisters join him.
My Dorm: young man comes home from collage and solves everything. Also everyone loves him.
: youth becomes head of his family.
: literal dad taking care of his girl(s) during zombie apocalypses.
Radiant: dad getting to know his girls.
: dad giving his daughters the support they need after a divorce.
Sixteen Years Later!: dad reconnecting with daughters.
SUCH A SHARP PAIN: dad establishing a new normal after his marriage falls apart.
: a husband experiencing a series of events involving his wife and sisters in law.
: husband accepts his new brides surprise daughter into the home.
Uncanny: retired cop acquires a new daughter.
: father finds himself with his daughter on the set of Survivor: Beyond the Thunderdome.
: dad begins rebuilding his life.
: alien possesses a father and has to rebuild the mans relationships with his family. To get laid.
Young Again: father is reborn into his daughters male friends body and has to help heal his old family while helping heal the boys family.
Ok, done now.
Some are more, some are less, what you asked for. But if it's on this list, I'd recommend it. Even if my synopsis was snark, I am exhausted and only awake by dint of still being in motion from the work day.
Enjoy.