Help me find a manga

I started reading one on this site but it didn't save. :( About 5 year old twin boys separated at birth, meet each other and switch places. The mom is studying to be a royal psychologist and the dad is the prince of the country, but they don't know they had the kids together.
2018-06-30 13:24 marked

Major turn off in a manga?

oops, this item doesn't exist any more
2017-12-22 16:01 marked

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