 If you liked
Bokutachi wa Shitte Shimatta
|
 ...then you might like
Dengeki Daisy
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In both mangas does she talks with someone she didn't know, and realizes that the person isn't even that far.
However in Dengeki Daisy she fell in love with that person, in Bokutachi wa Shitte Shimatta it is just a friend of hers.
Both of the main characters have no experience with boyfriends and love.