S1·E26 Sleepless Night!
Aired September 22, 1996
Synopsis
Tsubaki has Tsukushi and Rui locked in a room after learning that have not slept together. Rui reveals to Tsukushi that he is not over Shizuka. Tsukasa, meanwhile, wanders around thinking of Tsukushi before going home. When Tsubaki tells him about Tsukushi and Rui, he takes it well.