They both are childhood love and get married in the end. Slow burning story. Second couple also cute.

Original version. Both ML and FL in different timeline met at same time every night in same apartment. After configuring the condition, they started to set rules so as not to intrude on each other privacy.

Male and female leads in master/servant relationships, with the female leads in both also having secret, significant parentage.

urban people goes to rural countryside and trying to revitalize the farming industry including use of modern rechnology and incorporating e-commerce.