Meteor-san Strike desu!, Suashi no Meteorite Recommendations
Both series have supernatural elements taking place in a similar setting where the main male protagonist's lives are changed forever after an encounter with a strange girl.
In both series, the main female protagonist is strange and has a very peculiar personality towards the main protagonist as well as other characters.
Both series adapts a supernatural theme so expect some elements that are out of this world. These often are mixed in with comedy, drama, and a little romance.