Season 1 of 双层公寓：敞开爱的大门 premiered on December 19, 2017.

A group of young people – including a chef, a snowboarder and an ice hockey player – gather in the Karuizawa woods while pursuing their dreams.

Season 2 of 双层公寓：敞开爱的大门 premiered on February 27, 2018.

As Shion and Tsubasa grow closer day by day, Ami and Takayuki's relationship grows complicated, and new housemates join the group.

Season 3 of 双层公寓：敞开爱的大门 premiered on May 8, 2018.

A new female member joins Terrace House, driving the male members to distraction. And with Valentine's Day approaching, confessions are in the air.

Season 4 of 双层公寓：敞开爱的大门 premiered on July 17, 2018.

As Noah juggles his love triangle with Mayu and Yui, Shohei plans to confess to Seina – but Terrace House's repeat member might have other options.

Season 5 of 双层公寓：敞开爱的大门 premiered on September 25, 2018.

Takayuki and Aya keep going on dates, but Takayuki's heart may be set on someone else. New member Shunsuke begins a journey of self-discovery.

Season 6 of 双层公寓：敞开爱的大门 premiered on December 4, 2018.

Kaito and Risako hang out with their housemates while Yui and Aio try to decide their next steps. Nothing is certain except their bonds of friendship.