Martial arts

Kage no Jitsuryokusha ni Naritakute

Kage no Jitsuryokusha ni Naritakute! Shadow Gaiden

Karate Baka Isekai

Katainaka no Ossan, Kensei ni Naru ~tada no inaka no kenjutsu shihan datta no ni, taisei shita deshi-tachi ga ore wo hottekurenai ken~

Katana Musume

Keep A Low Profile, Sect Leader

Kengan Ashura

Kenkyu Gurupu (Study Group)

Keyboard Immortal

Kikai Jikake no Marie