Omamori Himari Series by Milan Matra

Severely allergic to felines, Yuuto Amakawa spends his mornings nursing a drippy nose courtesy of his friend Rinko's cat... moreSeverely allergic to felines, Yuuto Amakawa spends his mornings nursing a drippy nose courtesy of his friend Rinko's cat. But on his sixteenth birthday, it's not just Rinko's pet that's riling up his allergies (to say nothing of his hormones)! Appearing before him is Himari, a buxom, sword-wielding cat spirit in human guise, who has sworn to protect Yuuto, now the target of vengeful spirits! It's clear that Yuuto's allergies are the least of his problems - he's gonna need Himari's help if he wants to live to see his seventeenth birthday! less

Sure, timid Yuuto Amakawa has his hands (and bed?!) full with his new housemate - the beguiling, sword-wielding cat spirit Himari, who has sworn to protect him from spirits out for his slayer blood! But Yuuto's desire to coexist peacefully with the spirits his ancestors once hunted has a not-entirely-unwanted side effect - his life is suddenly chock-full of beautiful girls! He's got a Lolita water spirit now also freeloading at his place, and he keeps finding himself in the middle of random... moreSure, timid Yuuto Amakawa has his hands (and bed?!) full with his new housemate - the beguiling, sword-wielding cat spirit Himari, who has sworn to protect him from spirits out for his slayer blood! But Yuuto's desire to coexist peacefully with the spirits his ancestors once hunted has a not-entirely-unwanted side effect - his life is suddenly chock-full of beautiful girls! He's got a Lolita water spirit now also freeloading at his place, and he keeps finding himself in the middle of random encounters with gorgeous female spirits of all shapes and sizes. Yup, Yuuto's got it made! That is, until a trip to his late grandparents' house turns deadly... less

With Yuuto's slayer powers having temporarily awakened in an attempt to save Himari from herself in battle, the clumsy young warrior also regains memories from his past...of when he first met Himari! However, those present at the scene of the battle aren't the only ones who've borne witness to Yuuto's awakening... moreWith Yuuto's slayer powers having temporarily awakened in an attempt to save Himari from herself in battle, the clumsy young warrior also regains memories from his past...of when he first met Himari! However, those present at the scene of the battle aren't the only ones who've borne witness to Yuuto's awakening. While Yuuto's current spirit acquaintances are just keen on giving him some special intensive "training" to "awaken" him further, not all the parties interested in Yuuto are prepared to play nice! When another demon slayer storms into Yuuto's life claiming she's his fiancée and the girl in his regained memories, not Himari, Himari and Yuuto are thrust into a whirlwind that threatens to tear the two of them apart forever! less

When Himari squares off against Kuesu Jinguuji, demon slayer andpurportedly Yuuto's betrothed, the cat may have bitten off more than shecan chew! Kuesu's abilities are formidable to say the least, forcingHimari to retreat with her tail tucked between her legs. Is the shame ofdefeat in battle too much for Himari to bear, or can Yuuto be the oneto offer her support for a change?

Trapped in a pint-size body thanks to the machinations of Kuesu Jinguuji, the dejected Himari is stuck in a rut as she tries to come to grips with her new, weaker form... moreTrapped in a pint-size body thanks to the machinations of Kuesu Jinguuji, the dejected Himari is stuck in a rut as she tries to come to grips with her new, weaker form. But she doesn't have long to mope, as her former ayakashi opponent, the hinoenma Ageha, steals Yuuto away to have her way with him! With Shizuku's help, the buxom cat-spirit guardian of the Amakawa demon-slayer family awakens to her calling and rushes to the side of her lord! But while Yuuto has Himari to protect him, who will protect Himari and their other spirit friends when two powerful demons enter the fray in search of ayakashi blood?! less