 If you liked Yahari Ore no Seishun Love Comedy wa Machigatteiru. |  ...then you might like Kanojo, Okarishimasu |
In both series male lead suffers traumatic event that makes him sad and a bit unsocial. Both Hikigaya and Kazuya are little by little making steps to make their life better and also with their own unique way they are trying to help their friends. Both protagonists are meeting new girls but also they are dealing with those that they've met in the past. You know they both just need a little bit of honesty and love.