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On the official Twitter account for light novels written by Ghost Mikawa and illustrated by Tomari, Tomodachi no Imouto ga Ore, or dake Uzai, it was announced that the work has exceeded 250,000 copies in circulation.
Mikawa began publishing the light novels with illustrations by Tomari through SB Creative's GA Bunko imprint in April 2019. The publisher published the fourth volume on March
Mikawa began publishing the light novels with illustrations by Tomari through SB Creative's GA Bunko imprint in April 2019. The publisher published the fourth volume on March
