RTK Book Ver. 8.1: “‘Tsuki’ Monogatari Daiichiwa ‘Hitagi Crab’”
RTK Book Ver. 8.4: “‘Tsuki’ Monogatari Saishuu-banashi ‘Tsubasa, soshite... Mayoi maimai’”
RTK BOOK ekisutora 2 sore ike Ai-chan!~ Kawaii kōhai o otoko no musume niku benki ni chōkyō shi chau ohanashi ~
