Heize has attended Wanna One's solo concert.

On January 26th, Wanna One held the 2nd-day concert of their final concert series 'Therefore'. Solo artist Heize showed up for the event, in support of her 'The Heal' unit mates -- Ong Seong Wu and Lee Dae Hwi!

After the concert, Heize posed with the two members, each holding a congratulatory bouquet. On her Instagram, Heize wrote: "They were so, so cool...You guys worked heard, really, the best.. For the first time in 300 years #HaeOngDae." (wordplay 'HaeOngDae' with the word 'Haeundae', a seaside district in Busan)

In related news, actors Park Seo Joon and Ahn Jae Hyun also attended Wanna One's concert on January 24th. The last day of the 'Therefore' concert series is on January 27th.