Characters' Hidden Interactions after Lantern Rite 2023 (Genshin Impact)

Genshin does this very often, and without indicators to where to find these hidden interactions, many players sometimes never notice or even become aware of them.

Timestamps
0:00 - Yunjin x Xingyan
0:48 - Baizhu x Qiqi
1:33 - Zhongli x Guoba
2:30 - Xiao
2:56 - Xingqui x Hu Tao x Xiangling x Chongyun
5:08 - Yanfei x Ping
5:54 - Yaoyao
7:32 - Beidou x Ningguang
8:53 - Venti x Kazuha