Simplify the following text for a Grade 8 native English-speaking person.
Original: ; Yokohama Minatomirai Railway Company Minatomirai Line : Limited Exp . : : Minatomirai - Motomachi-Ch Å `` kagai : Commuter Exp . , Expless , Local : : Nihon - Å dÅ ri - Motomachi-Ch Å `` kagai
Simplified: Motomachi-Ch Å `` kagai Station opened on February 1 , 2004 with the opening of the Minatomirai Line .