Venti has a Crush on Aether - Genshin Impact Comic Dub.
Albedo blatantly admits that the traveler fascinates them. He'll usually ask to hear of their numerous journeys and take notes on them. He quite enjoys their company, but Albedo is pretty clueless about his own feelings, especially those of the romantic sort. He wonders why he catches himself staring at them so much.
Ayaka does have some feelings towards the Traveler, and that has been quite evident in the game. However, it is emphasized that during the Prayer Plaques scene, the Traveler is only thinking about reuniting with their sibling which makes Ayaka believe that they are not meant to be together.
Xiao is highly protective over the Traveler, to the point that they only need to speak his name to have him appear in front of them. He also has a soft spot for Ganyu and takes time out of his day to train her. This is despite the fact that it seems like Xiao doesn't have any strong feelings towards her.
In the Chinese captions, Kaeya ends most of his sentences towards the Traveler with a "~" symbol, indicating a playful/flirtatious intonation. Kaeya is the most mentioned playable characters in the Traveler's voicelines as of Version 2.0.
Ayaka explicitly stated that she considers Lumine her second friend, with Thoma being her first friend. The two are often shown to be quite sweet with each other and lots of fanart depict the two spending time together and engaging in heart warming activities.
Despite their limited interactions in the main story, many people ship Aether with Keqing. The ship is usually overshadowed by Ganqing and many more popular Aether ships. Many fans were driven to support Kether due to the letter sent to the Traveler by Keqing in honor of her birthday and from her voicelines.
There were lots of implications that Ayaka had a crush on the Traveler due to her Story Quest and her special dish description, which was the reason why Ayather sailed.
Kaeya is shown as flirtatious in the Genshin Impact Official Webtoon.
Focusing on the protagonist herself, one of the most popular ships of Lumine is Xiao, an adeptus and the only remaining Yaksha summoned by Rex Lapis.
XiaoLumi is the het ship between Xiao and Lumine from the Genshin Impact fandom.
1 Xiao Loves Zhongli
This was shown when he protected Liyue from Osial, despite the fact that he believed the Geo Archon to be dead. Xiao would likely fight in an Archon War again if Zhongli ever decided to take back his Geo Gnosis.
Aether and Barbara are actually dating Genshin Impact | HoYoLAB.
Xiaother is the slash ship between Xiao and Aether from the Genshin Impact fandom.
At one point, a fake leak circulated that Thoma and Ayaka were engaged, which further fueled the ship. The ship's popularity grew again after Ayaka was released and shown interacting with Thoma in the game. Thoma's dedication to serving Ayaka had many fans suspecting that he may be in love with her.
Lisa seems to be fond of the Traveler, and sometimes acts flirtatious, referring to them as "cutie" or "darling," and admitting that they're special to her. She loves tea and thinks that afternoon tea is the most important part of her day.
While not canon, in the Manga Anthology commissioned by MiHoYo, Childe meets Lumine in Liyue and she assumes he wants to fight her again but he asks her out on a date (デートしよう dēto shiyou in Japanese). She is surprised at his sudden request but agrees.
According to the Chinese, Japanese and Korean pronouns the twins use to address each other in the opening cutscene and in later interactions, Aether is the older twin and Lumine is the younger. With the English translations not making any distinction on which is the older/younger twin.
Aether, the older male sibling, is about 500 years old after the Unknown God has sealed the two siblings. Though he and his younger female sibling Lumine still retain their youthful appearance of 15 or 17 years old.
1 Lumine + Childe
Ever since the "Hey girlie," scene in Liyue, Childe's friendliness towards the Traveler, especially Lumine, has made the two one of the most popular ships among the fanbase.
Does Childe flirt with Lumine? All childe does is flirting with Lumine, and she is clueless, she doesn't get it!
For starters, not every character will be dateable. For now, the only characters you can engage in dating sim shenanigans with in the Genshin Impact update are Noelle, Barbara, Bennet and and Chongyun.
The first one is labeled "Seriousness", and Yoimiya talks about how the two cooperate together frequently due to their line of work. Yoimiya is grateful for Ayaka because, unlike other people, she always lets Yoimiya finish speaking and answers seriously without showing any impatience.