Uchinaka's 1000th Anniversary
Secret Anniversary
Midgard 3 - 20th Anniversary
(C81) [CIRCLE OUTERWORLD (Chiba Shuusaku)] Midgard 20th Anniversary (Ah! My Goddess)
PINK SUGAR 20th Anniversary Special
(C84) [COUNTER ATTACK (Gyakushuu Takeshi)] Pink Sugar 20th Anniversary Special (Bishoujo Senshi Sailor Moon)
Bleach - 20th Anniversary Special One-Shot
(C81) [CIRCLE OUTERWORLD (Chiba Shuusaku)] Midgard 20th Anniversary (Ah! My Goddess) [English] [SaHa]
Anniversary Girl
[MOMONGA CLUB] 20th Anniversary & Interbreedery Art Book
