If you're looking for manga similar to Kimi ga Kimi de Aru Tameni, you might like these titles.
Fuusuke works for an exploitative black company. Constantly hounded by debt collectors, he despairs of his way of life and attempts suicide, only to be rescued by a man named Tsutsujimori Hanaichi. In order to pay off his debts, Fuusuke starts working at Tsutsujimori's estate liquidation company, where he's given an unusual role: taking care of the lingering souls of the recently departed.
Ayaka is a shrine maiden from a powerful family (modern) and the ability to trap evil spirits in mirrors (or anything reflective for that matter, including windows and eyes) and then destroy them. She’s about to be caught up in a triangle between herself, the young man just hired as her bodyguard, and a young man working for one of her enemies…
Sora Amarume is an 11-year-old girl who lives a peaceful everyday life with her friend Iroha. Though she wishes to be with Iroha forever, something happens that changes their fate.
Momoka picked up by chance a mobile phone downtown. A message sent to the mobile had contents that sounded as if someone were looking at her. Thinking that it was weird, Momoka went to the police and handed it to Yu, her ex-boyfriend. Actually she was saved by that message of the mobile.
In the era following a certain natural disaster, Jyougasaki Hichiki, an escapee from The Rebirth Training Institution for Boys, makes his living as a professional thief. A chance encounter with the mysterious and unfathomable "Bo-chan" - the enigmatic being who dwells within the Peppermint Highway Mansion - compels the curious burglar to infiltrate the run-down (but charming) household as a butler. But what does Bo-chan have in store for the eccentric Jyougasaki?