Search of Genres for "fantasy"

Ode to Longevity
Of Mountains and Rivers
Office Worker's Immortal Dungeon
Oh My Ice Goddess
Oh No! After Reincarnation, I Discovered That My Moms Have Severe Son-Complexes!
Ohanabatake no Maousama
Oi, Hazure Sukiru da to Omowareteita "Chiito Koodo Soosa" ga Bakemono Sugiran da ga
Ojamajo Doremi 16
Okami Wa Nemuranai
Okay, Let's Become the Demon King
Okitara 20nen Nandesukedo! Akuyaku Reijo no Sono Ato no Sono Ato
Okoborehime to Entaku no Kishi
Old Vampire and a Holy Girl
Omni-Magician
Omnia wo Suberumono
Omniscient Reader's Viewpoint
On the Way Home I Got a Bride and Twin Daughters, Who Were Dragons
Once Human, Now a Parasite
Once Promised
One Day, the Engagement was Suddenly Cancelled. ……My Little Sister's.
One Man Army
One more time
One piece Bounty System
One Piece Enhancement
one piece invincible
One Piece Shura
One Planet for Everyone! Building Science and Technology Civilization at the Beginning
One Punch of Justice
One Sword to Immortality
One Turn Kill of the Dark Partisan
Onee-chan Will Become a Hero, and Save the World!
Oni no Ou to Chigire
Online Farmer
Online Game: Evil Dragon Against The Heaven
Online Game: I Have 48 Hours a Day
Only I Am a Necromancer
Only I Shall Be Immortal
Only I Who Got The Initial Job As Demon King
Only Sense Online
Only Sense Online (WN)
Only Sense Online - Hakugin no Megami
Only with Your Heart
Onna dakara, to Party wo Tsuihou Sareta no de Densetsu no Majo to Saikyou Tag wo Kumimashita
Onna Kishi-san, Jusco Ikouyo
Ookami Kodomo no Ame to Yuki
Ore Dake Kaereru Kurasu Teni
Ore ga Heroine wo Tasukesugite Sekai ga Little Apocalypse!
Ore ga Inmajutsu de Dorei Harem wo Tsukuru Hanashi
Ore ga Isekai Dungeon da! - Tensei Shitara Karada ga Dungeon to Kashiteita
Ore no Isekai Shimai ga Jichou Shinai!