KaeLisa

KaeLisa is the het ship between Kaeya Alberich and Lisa Minci from the Genshin Impact fandom.

Prologue: Act I
After facing off with Stormterror (Dvalin) with the help of a mysterious voice, Traveller lands their glider, and soon after meets cavalry captain Kaeya. He then brings Traveller to meet with the Acting Grandmaster, Jean. Lisa is also present, and it is established that they are all a part of the same order, known as the Knights of Favonius. Kaeya and Lisa are shown to interact in regards to the Stormterror crisis. Jean mentions that Lisa, having used her detection magic, discovered that a leyline disorder is enhancing Stormterror's powers. Kaeya, intrigued, questions "Is that so?" Lisa then turns to him and provides further information. She states that the leylines are located in the Four Winds Temples, as well as reaffirms that Stormterror is drawing power from said temples. Following this interaction, Kaeya, Lisa, and Amber work together to cut off the source of power, by tackling a temple each. Traveller meets up with each of them, and both Kaeya and Lisa officially join the party.

Midsummer Island Adventure: Part III
Prior to this part, Jean had given the role of Acting Grand Master to Kaeya while she was away at the archipelago. In this part, however, he was discovered to be at the archipelago as well. When asked who was overseeing the Knights of Favonius, Kaeya stated that he had given the role to "the mighty Librarian, Lisa, of course." He then went on further to compliment her strictness when it came to keeping things in order. Kaeya is known for dedicating himself to "studying threats in and around Mondstadt," and therefore, Mondstadt's security is something of importance to him. Of all the knights, it was Lisa whom he entrusted the task of overseeing the Knights and keeping the city secure.

Kaeya: Voiceover
Kaeya informs the Traveler to not forget to return their books on times, and states in a cheeky tone that he "made that mistake once and boy was she angry." He mentions that his arm is still numb from the last time he made the mistake, likely from being zapped with Lisa's electro abilities.

Lisa: Story
When she first joined the Knights, Lisa was tasked with much more than just library duties. She was even considered for a captaincy position (that she promptly declined). As stated in her story, she negotiated with Kaeya, among others, to offload her jobs.

Lisa: Voiceover
While she does not have a direct voiceline talking about Kaeya. However, in Lisa's voiceline about Diluc, she is amused and states that she knows someone else the Traveller should talk to instead. That person (likely) being Kaeya, who had grown up with Diluc.

Lore: Work
With Lisa, "though her attitude to life may appear at first to be one of ruthless efficiency, it is in fact better understood as a product of her incorrigibly lazy nature." Kaeya, on the other hand, "is sometimes seen as overly laid-back and even lazy, but he takes his work seriously." Kaeya and Lisa offer almost opposite first impressions, and have different ways of approaching their work. Yet at the end of the day, they both end up being some of the most effective members of the Knights of Favonius, as observed by many of their fellow Knights. The two do appear to have a knack for offloading their work when they get the chance, though. Kaeya appears to get a kick out of "convincing others to do his work." And as mentioned earlier, Lisa managed to negotiate enough that her only official duty is the management of books and documents.

Official Art
miHoYo had released some promotional artworks featuring Kaeya and Lisa as chibis, interacting with one another in a friendly fashion.

Fanon
KaeLisa, being a rare pair, doesn't have much traction within the fandom. It is more often seen as a platonic ship rather than a romantic one.

Platonic
On a platonic front, Kaeya and Lisa are generally envisioned as best friends and co-workers that enjoy kicking back and gossiping together. Both are known to be flirtatious, charming, secretive people, with a tendency to tease others. On top of that, they both have a desire to gather information, albeit using different methods. Their dynamic is that of a casual, but engaging, back-and-forth duo.

Prominent Headcanons

 * Kaeya is imagined to be a bookworm. This is due to his love of stories, and the fact that he stores his intel list in a copy of The Adventures of Angelos. The Mondstadt Library, where Lisa works, is likely a spot that Kaeya would visit in his spare time, asides from bars.
 * They both have different ways of engaging themselves with the world. Lisa finds herself reserving her energy and keeping things laid back. As Albedo sees it, she is almost limiting herself in a way. Kaeya, on the other hand, finds himself expending his energy, and seeks to push the limits of himself and others. An immovable object and an unstoppable force.
 * Another take on the KaeLisa dynamic is that they are friends, both on borrowed time, supporting each other as they try to make the best of their situations. The borrowed time aspect is inspired from the Khaenri'ah curse, which is potentially affecting Kaeya, as well as Lisa's limited lifespan curse (an early concept described by a product manager at miHoYo).

Romantic
Romantic KaeLisa tends to be seen as all the platonic aspects put together, plus a romantic layer. Friends-With-Benefits and Friends-To-Lovers are common tropes used in their romantic portrayals.

Prominent Headcanons

 * While they are both outwardly flirty, they are also secretive, and would likely prefer to keep their relationship and affection in private.

Fandom
FAN FICTION

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Trivia

 * Both Kaeya and Lisa have "afternoon" beverages they enjoy drinking. For Kaeya, it's his favorite drink, Death After Noon. For Lisa, it's her Afternoon Tea.
 * On Lisa's 2021 birthday, she had gifted the Traveler calla lilies (which also happen to be Kaeya's ascension material).
 * They both have tied hair, resting over their left shoulder.
 * Kaeya and Lisa are offered together in the event Fate Foretold. The event's screen has them displayed side-by-side.
 * 🦚⏳ / 💙💜 / ❄️⚡ are emojis often paired with each other in reference to KaeLisa. The first symbolizes their constellations, the second is based on their color schemes, and the third represents their elements.