Search of Genres for "sci-fi"

Rinjyuku-hime Spinel Rose ~Futanari Ejaculation Control Training that Makes Girls Go Mad~
Rise of the Wasteland
Rising: Ten Thousand Years
Risou no Musume Nara Sekai Saikyou Demo Kawaigatte Kuremasuka?
Rocket Girls
Rokujouma no Shinryakusha!
Rokujouma no Shinryakusha!? Shunkashuutou
Royal Roader on My Own
Rpg
Runaway Guide
Sage Emperor
Saikyou series
Scholar's Advanced Technological System
Science Shall Prevail Over Magic
Scum Male's Whitewashing Manual
Sea Monster Alliance
Second Story Online: Aiming To Become The World's Number 1. Ideal Witch
Seikai no Monshou
Seishun Buta Yarou
Sekai no Yami to Tatakau Himitsu Kessha ga Nai kara Tsukutta (Hangire)
Sentou Jousai Masurawo
Sentouin, Hakenshimasu!
Seoul Object Story
Sha Po Lang
Shadow Hack
Shadow Rogue
ShangriLa Frontier ~ Shitty Games Hunter Challenges Godly Game ~
Sharing System
She Was Both Called God, as Well as Satan
Shenmo Xitong
Shepherding Humanity
Shh, There's a Beast in the Imperial Palace
Shin Kidou Senki Gundam W
Shin Kidou Senki Gundam W: Frozen Teardrop - Shokuzai no Rinbu
Shin Sekai yori
Shoujo Grand Summoning
Shura's Wrath
Shuumatsu Nani Shitemasuka Isogashii desuka Sukutte Moratte Ii desuka
Side Character Transmigrations: The Final Boss is No Joke
Silly Spring Attack
Silver Mercenary
Sinister Ex-Girlfriend
Sinmonger
Skyfire Avenue
Solaris the Abyssal
Sora ni Usagi ga Noboru Koro
Sorcery Hacker >> Divulge the Magic Vulnerability
Soukyuu no Fafner
Sovereign of Judgement
Space Speed Xing Hen