Groups
- enbudou 5
- enchousen kari 5
- ende aa 5
- erectionmasscalibur 5
- eroero-ohkoku 5
- erojishi gumi 5
- eros and entertainment 5
- eros daikichi 5
- error 5
- error404 5
- esc. 5
- ethyl soft 5
- eunospress 5
- evo.r.b 5
- ex-it 5
- excite rabbit 5
- explorer 5
- fancy free 5
- fanta 5
- fe3c 5
- fenarudou 5
- festa 5
- fetch 5
- fiction7 5
- fight 5
- final frontier 5
- first crash 5
- fits project 5
- fl-clover 5
- fomalhaut 5
- fool-in-love 5
- forever and ever... 5
- four leaf studios 5
- fractale 5
- free heaven 5
- freedom 5
- frog flag 5
- fruit 5
- fuguri greed 5
- fujikane haruyo 5
- fujitsubo-machine 5
- fukufuku 5
- fullauto 5
- fumichaya 5
- fureai hangyaku hole 5
- furoshiki 5
- fusions 5
- fusuido 5
- futaburo 5
- futonton 5