My favourites, slim and pretty, from the MUM era were Abe Mikako, Hatsume Rina, and Kagami Shuna.
And these are my favourites from (approximately) later than MUM:
- Nagana Ichika STARS-266
- Sakura Yume GDJU-095
- Senno Miyuki KYKL-059
Also:
- Shinjou Nozomi? GDJU-035, -036, -037
- Murata...