Mature

Kiryuin Kaya Chi o Suwareru dake no Kantan na Oshigoto

Knight Under Heart

Koi Goku no Toshi

Koimoku

Kokou no Hito

Kono Shima ni wa Midara de Jaaku na Mono ga Sumu

Konya wa Tsuki ga Kirei Desu ga, Toriaezu Shine: Last

Kouiu no Ga Ii

Kujibiki Tokushou: Musou Harem-ken

Kunoichi no Ichi