BIBI and Nakyoung show off their sibling chemistry in a new TikTok post.

BIBI has been very supportive of Nakyoung's debut in tripleS. BIBI attended tripleS's Pre-Concert on February 7th and appeared in the behind footage.

When Nakyoung was first introduced as a tripleS member, BIBI shared her support on her Instagram story. 

BIBI also shared support for tripleS AAA's debut with Generation by posting support on her Instagram story

As well as supporting Nakyoung's remake of BIBI's Best Lover on her Instagram story.

Bibi continues to support her younger sister by participating in the tripleS 'Rising' challenge on the tripleS TikTok page.

Many fans are always happy to see the two siblings together.

Some comments include the following: 

• "What a beautiful sister relationship these girls have"
• "This is so cute, it made my day."