A friend of the detective has been is murdered. During the investigation, he comes across a source which tells him that his friend was murdered for involvement with the dark side of the political world. On top of that, a woman approaches the detective with a request.

“Daijobu 3 Kumi” depicts the interactions between new teacher Shinnosuke Akao, who was born without arms and legs, and the 28 students in his 5th grade class, told from the vantage point of school board member Yusaku Shiraishi

Every night, Master (Kaoru Kobayashi) is busy with customers at the restaurant he runs. He has a worried face, looking at the funerary urn which someone left at his restaurant. His customers also talk about the funerary urn.

Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural ability of being forced to prevent deaths and catastrophes by being sent back in time before the incident occurred, repeating time until the accident is prevented. One day, he gets involved in an accident that has him framed as a murderer. Desperate to save the victim, he sends himself back in time only to find himself as a grade-schooler one month before fellow classmate Kayo Hinazuki went missing. Satoru now embarks on a new quest: to save Kayo and solve the mystery behind her disappearance.

Young Hana had lost everything in the earthquake and tsunami and was being taken care of by a relative named Jungo. As Hana grew up she began to fall in love with her own relative.