Games like Sayagatari - Promise of the Cursed Blade -

"My love for you began with that kiss." Ex-Kendo practitioner Kanemori Tōya, comes across Saya who seals demonic blades. Saving him from his murderous impulse curse is a kiss from Saya!? The two begin living together, battling with demonic blade in hand. Break the curse with a kiss from this beauty!