Marry Me! (ML is lovely. I'm not sure if the FL could be considered strong - she's very withdrawn and timid but grows over the drama.)
Horimiya (sweet ML. FL is strong, imo)
Blue Birthday (ML is nice, FL is very strong. There's a couple villain characters but everyone else is likeable)
From Me to You (nice ML and supporting characters, a withdrawn FL but she changes over the drama)
Jitenshaya-san no Takahashi-kun (I found the characters very likeable. ML may seem a bit rough around the edges but he's not a jerk and has a good heart.)
Smile (very kind ML, traumatized/disabled FL who has emotional strength. The drama is very heavy but good.)
Daisuki!! (it's a family drama so there's not a ML in the romantic sense. FL is disabled but very strong emotionally and stands up for herself and what she believes in. Most of the characters are either nice or change for the better over the drama.)