Groups
- baha-chop 5
- banana trip 5
- bar modoshiyu 5
- basashi 5
- baseson light 5
- bashou no deshi 5
- basilisk trapezohedron 5
- batten sketch 5
- be dimly us 5
- bee-hearts 5
- benimaru club 5
- benimomo dou 5
- benisuzumedo 5
- best bes 5
- betsu ni suki janai yo 5
- biologist 5
- birman 5
- biroon jr. 5
- bite 5
- bitmap power 5
- bitter half 5
- bkdroom 5
- black maria 5
- black peal 5
- blackglobe 5
- blaster nation 5
- blendy 5
- bloom factory 5
- blossom eight 5
- blue signals 5
- bodou 5
- boku.4sai 5
- bomberhouse 5
- bonbonya 5
- bonsai bonbon 5
- boris noborhys 5
- boro goya 5
- boroboroya 5
- boshi soukan 5
- bottebote 5
- boyari. 5
- boysplanet 5
- brain soft 5
- bravo 5
- breakthrough 5
- bterm 5
- btfly 5
- buchimake matsuri 5
- buchiyama melon peach 5
- buckingham 5