Groups
- borokuso party 22
- borori 1
- borrelli 1
- boru kikaku 1
- boruboru 1
- borushiti teisyoku 2
- bosabosa project 1
- bose no doujin manga kenkyuujo 27
- boshi soukan 5
- boson 4
- boss ohba 3
- boss sakura leaves 1
- boston tea party 41
- botamochi no utage 56
- botan yuki 1
- botandou 9
- botanzakura 28
- botchman 1
- botcomics 275
- botebara suishou iinkai 1
- botibotiikoka 120
- botsubotsudou 1
- botsuraku kizoku 8
- bottacuri club 1
- bottebote 5
- bottle ship bottler 60
- bottle syrup 11
- bottomress pit 52
- bottoms 1
- botugo 163
- bou hachi 1
- boudenki 1
- boufuriya 11
- bouillon house 3
- bouken koubou 14
- boukendou 4
- boukensha 2
- boun nou 2
- bounamitei 2
- boundary 15
- boundary of dream | yume no kyoukai 14
- boundless 182
- bouquet toss 1
- bourgeois ice cream 37
- bousou cash-back 3
- bousou fuhatsudan | b-f-d 63
- bousou kajitsu 2
- bousou tenshi-upsidedown 1
- bousousuwanchika 11
- bouten musubi 4