あ~る・こが
Dendo Score breakdown ── gate 80 ・ reach +8.09 (R = 2.54) ・ quality +0.50 ・ awards +0.00 ・ career +3.00 ・ volume +2.50 Selection Criteria, Article 5
CERTIFICATE No. 0040
Debuted in adult magazines in 1986 in Nihon Shuppansha's "ペパーミントCOMIC Vol.10" under the name Koga Arukun (古賀有勲). Working from 1987 under the name R Koga Kun (R・古賀勲), the artist published a first book, "Kagekiな放課後勉強会", in 1988, and returned to adult magazines in 1998 under the present name R Koga (あ〜る・こが). The principal venues include Sanwa Shuppan's Comic Masyo and TI Net's BUSTER COMIC, and the artist is known for works featuring young girls and tan lines. Books number more than thirty, from Fujimi Shuppan, Akaneshinsha, Sanwa Shuppan, Oaks, and others.
Active in commercial publishing ── latest volume 2025
Career length ranks No.1 among Hall of Fame authors (40 years active)
Debut class of 1986 ── so far, the only Hall of Fame author to have debuted that year
Selected Works
TOP 3 BY RATINGS
Book Chronology
1988─2025Publication years follow the bibliographic records of the National Diet Library Search (works not listed there use their DLsite release year). Rating counts and averages are automatically tallied from DLsite public data. Books marked "Not on DLsite" may be available digitally at other stores.