Natsuyuki Rendezvous, Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai. Recommendations
Both are character drama's that involves the protagonist interacting with a ghost of past grievances. AnoHana differs being a slice-of-life with a larger focus on the friendships and connections between the characters. While Natsuyuki Rendezvous is more romance focused with a love triangle as the ghost is the heroines dead husband. Overall, both stories are powerful bittersweet stories about moving on and reestablishing connections of friendship/romance recommended for fans of sweet and sad tales.