Nazo no Kanojo X, Moriguchi Orito no Teiougaku Recommendations
The main characters are somewhat similar. The male lead and female lead have strange connections to each other. In MGX, Tsubaki and Urabe share each other thoughts by transferring saliva to one another, which is Mikoto's "ability." In Teiougaku, Moriguchi and Harunabara share images that Harunabara sees in her thoughts, when they come into contact with each other.
Main characters in these manga are very similar with their mysterious nature. And both main characters have strange connections to each other.