Mangas

うしろノしんでれさん, 幽灵同级生, 幽靈同級生, 死嬌缠身
Karugasaki Tora decided to repeat a grade and turn into a delinquent just so he could be popular, on his best friends advice. However, his plan backfired and nobody talks to him in his new classroom. The only thing he can look forward to is seeing the cute girl sitting next to him, but after trying to talk to her she immediately kicked him and threw him out the window. Later the same day, though, he saved her and a little girl from being hit by a truck. No longer able to avoid him, the girl reveals that she's a ghost playing a shinigami's game. She must get the boy she likes to return her feelings at times given by a pair of hourglasses so she can return to life, or fail and be sent to hell together. Unfortunately, her feelings have awakened for Karugasaki...
Lying Mii-kun and Broken Maa-chan: Precious Lies -  Totteoki no Uso -  Usotsuki Mi-kun to Kowareta Ma-chan - Totteoki no Uso -  Yalancı Mii-kun ve Sorunlu Maa-chan -  嘘つきみーくんと壊れたまーちゃん -  说谎的男孩与坏掉的女孩
The setting is a rural city in which kidnapping and series of murders are happening simultaneously. Eight years ago, a boy and a girl were kidnapped and suffered through the hands of their perpetrator. The victims, the compulsive liar "Mii-kun" (the narrator), and "Maa-chan" (Misono Mayu) reunite and start living together, despite the fact that the recently reported missing children were within Mayu's apartment...adapted from the novel series of the same name
うそつきパラドクス, Liar's Paradox - You Can Never be Mine, Usotsuki Paradox - You Can Never be Mine
Youkadou, a young man working at a certain office is in love with Seiyuu, an extremely beautiful coworker of his. She is in a long distance relationship with her boyfriend, but she agrees to go out with him with one condition: they'll never have sex.