Shō and his sister-in-law Rin crossed the line. The trigger was his wife's elopement. After a quarrel with his wife, Shō was drinking alone when Rin suddenly visited. She said she came to help him with household chores he wasn't used to. Believing her words... he fell right into the trap. Realizing Rin's true intention was to satisfy her desires, Shō mustered all his rationality to escape, but... Rin's persistent temptation began to wear down his resolve.
