In today's episode, Himawari referred to Boruto and Kawaki as O nīchan-tachi or Big Brothers : r/Boruto

Himawari's Ninja Training! Boruto Episode 153 - 155 Spoilers

Uzumaki-member (u/Uzumaki-member) - Reddit

An Episode With These 2 Interacting Like We Had The Kawaki and Himawari ep : r/Boruto

Watch Boruto Episode 272: Kawaki Admits He's a Shinobi in Disguise!

Do you think Himawari will play an important role in the plot? : r/Boruto

An Episode With These 2 Interacting Like We Had The Kawaki and Himawari ep : r/Boruto

Boruto Confirms Why Himawari's Gift for Hinata Is SO Important

Boruto episode 273: Twitter praises Himawari for her amazing display of skill

Uzumaki-member (u/Uzumaki-member) - Reddit

Boruto episode 273: Twitter praises Himawari for her amazing display of skill

Boruto's FINAL BATTLE Naruto Fans NEVER Expected After Kawaki SEALED AWAY Naruto!

Kawaki Sends Naruto To ANOTHER DIMENSION & Himawari Is OP - Boruto Chapter 77

Arc of Kawaki and Himawari was rated terribly in IMDB. It has lowest scores : r/Boruto

Kawaki and Himawari vs Hana Sensei Boruto: Naruto Next Generations