I'm assuming you mean with a puppy-like/dog-like personality right?
4. Koi Desu: Yankee-kun to Hakujou Garu
5. Choco Milk Shake
6. When Camellia Blooms
7. 18 Again
8. Love Revolution
9. Rattan
10. Do You Like Brahms?
10 titles where the leaf is an adoptive parent/stepparent
1. SKY Castle
2. Hi Bye, Mama!
3. Uchi no Musume wa, Kareshi ga Dekinai!!
4. Go ahead
5. Unforgettable love
5.Eve-FL is a stepmom
6. Crash Course in Romance
Doubled no. 3, so
8. Bossam: Steal the Fate
9.Five Enough
10. Marn Bang Jai (2020) - FL
Someone else can choose.
[include spoilers]
1. Love Like the Falling Petals