KA - SERIES
KA-1 Next-Door Bride[]
Main article: KA-series/KA-1 Next-Door Bride
KA-2 Stray Notes While Lying on My Back[]
Main article: KA-series/KA-2 Stray Notes While Lying on My Back
KA-3 I am a Cat[]
Main article: KA-series/KA-3 I am a Cat
KA-4 Cuckoo[]
Main article: KA-series/KA-4 Cuckoo