Akane-iro ni Somaru Saka (A bit of indecisiveness..but you might like it still)
Futakoi
Futakoi Alternative (I prefer this one than the first)
Nogizaka Haruka (I think you'll love the girl in this)
Ai Yori Aoshi
Ai Yori Aoshi Enishi
~It's a good time killer and a great romance, but it does have harem in it and there isn't really "indecisiveness" per say, but rather a lot of stalling and epic love moments but they don't really turn out to be that "lovely" (just my IMO)
~not sure if this fits your entire description but you can give it a try
Last but not least:
You wanted romance?
You wanted soulmate?
You wanted a good male lead?
You wanted great animation?
I dare say to watch
Clannad and
Clannad After Story Q_Q