Kim and featured in the song "Hometown" (뽀레버막내) (also "Forever the Youngest"), which was a humorous tribute to his g.o.d bandmates and recounted his experiences of being the youngest member of the group. Following a successful national tour in January and February 2017, the group went on a break. Kim released in sixth album, entitled T-WITH, in June 2017. The title alludes to the fact that all the tracks, except for one, features guest singers. The album includes two singles which had been pre-released in June and July 2016 respectively as T-With Vol.1 and T-WITH Vol.2. He was invited to KCON Los Angeles for the first time and performed g.o.d's 2000 hit song "One Candle" with rookie boy band ASTRO before performing "Following" (따라가), the lead single of his latest album. In December he held a series of joint concerts with bandmate Son Ho-young, the first time they have ever held a concert together domestically, over three days in Seoul and Busan. In May 2018 Kim replaced Hwang Chi-yeul as a waiting room MC on the popular singing program Immortal Songs: Singing the Legend; he had previously been a guest MC during Moon Hee-joon's temporary absence. He was one of fifteen artists or groups, including the likes of Insooni, 2PM and DJ Doc, headlining the medal ceremony aftershow for each day of the 2018 Winter Olympics in Pyeongchang County. During the latter half of the year, Kim was mostly focused on g.o.d's 20th anniversary projects. He produced their anniversary album Then & Now and co-wrote its lead single "Snowfall", which was pre-released as a digital single. On August 1, 2019, via Instagram, Kim and Son announced that they were collaborating as a project duo under the name HoooW (), a portmanteau combining one character from each of their given names. As HoooW, they have appeared on Immortal Songs: Singing the Legend and You Hee-yeol's Sketchbook and performed as guests at Psy's summer concerts. On August 16, they released the digital single "Game Over" (). In 2022, Kim signed with IOK Company. Personal life Kim Tae Woo married his wife Kim Aeri, who is a year younger than him, at the Sheraton Hotel in Seoul in December 2011. They are parents to daughters So-yool (born April 2012) and Ji-yool (born August 2013) and son Hae-yool (born September 2015). In 2014, Kim, his wife, and his two daughters were regulars on the