Both include an artificial boyfriend for a human. So both have a robot guy in them and focus on romance. However, in this one the human who buys the robot is a guy and there's also a girl robot.
Both include an artificial guy for a human. So both have a robot guy in them and both are cdramas. The one about Max focuses more on the family and comedy though.
Both have characters travelling from a past Japan to the future. In both the ancient characters try to adapt and even look for romance in modern time. They largely keep their old habits but learn a bit about the modern world. The difference would be that Hikaru Genji is a fictional Heian-period character and Senka is supposed to be a real Edo-period woman.
Both focus on a relationship of two adult males. There is a focus of quality backgrounds and use of atmosphere in both the drama and this movie. The actors in both the drama and the movie are wellknown in Japan and experienced.
Both dramas involve inner feelings being made aware for other people. In the case of Satorare everyone can hear one guys thoughts from a close distance and in the case of Cherry Magic! 1 person can hear everyones thoughts by touching them.
Both have female leads that are undercover as males. Both female leads don't really look like guys and both end up making the guy fall in love with them. Also I'm pretty sure some of the filming locations were the same like the fields and the waterfalls.
Both dramas feature an android who is assigned to a single nerdy guy. In both dramas the girl is attracted to the android and not to the nerd who is in love with her. Both androids take care of their assigned human and look for ways to help them succeed in life.
Follows an extremely similar plot as Winter Sonata. The guy gets amnesia and the way the woman and the man fall in love are very similar. It could be called the Japanese version of Winter Sonata.
Both dramas have brothers who have adults they care about killed thanks to evil people. In both dramas the brothers grow up and take very different roles in order to take revenge for what happened to them in the past.
In both dramas the partners of killed people fall in love with the person who they know/believe to have killed their old love. It becomes a story of much sadness about how they supposedly betray their old loves but also how they attempt to move on from tragedy.
Both feature a ghost mother leaving a child and husband behind. Also, in both media the husband becomes depressed/suicidal due to the incident of losing their wife. Both have the ghost only visible to a select character.
Both feature female leads with enormous unnatural strenght. Both female leads still have their femininity while also being powerful. The guys in both have an initial fear of the womans strenght but grow to genuinely love them.