Both short films were directed by the same person; have similar cast; are considered part of Toyoda Toshiaki's unofficial trilogy and have similar themes

Both shows feature young women at the crossroads of their lives who meet older mentors and get introduced to a new lifestyle (architecture for Meikenchiku de Chushoku wo and lamps for Haruka no Hikari)

One film tells the story of a hotel that caters to people who want to commit a suicide, while the other focuses on a little shop that gets frequently visited by people who want to leap off of nearby cliff. Both have kind of similar, bleak vibe to them

Both films focus on people who travel around Taiwan and visit historically and culturally important places while on their road to self-discovery

Both films have almost the same, roadtrip, vibe to them and similar plot. Both productions focus on feelings and memories of main cast while they drive around in their trucks

Both productions were directed by the same person, and also feature Tsumabuki Satoshi as a ML whose friend/relative is in prison for killing a person. Both have a similarly bleak vibe

One of subplots in Enjiya is quite similar to the main plot of Bad Family - a group of strangers forms a foster family to take care of a little orphaned girl

Both shows feature found family composed of lonely people that came together because of their unlucky lives

Both shows feature university professors who, with the help of their students, investigate and solve folklore-related crimes or mysteries

Male leads in both productions have to cope with death of their best friend. Both Ao to Boku and Pink and Gray are aesthetically pleasing and feature some kind of plot twist

Male lead tries to deal with his artistic best friend's death. Both productions have similar vibe, and the plot is introduced through the dead friend's drawings

Two best friends (one of them being a university professor) investigate and solve supernatural happenings