BLACK KENKYUU NO ONI KYOUKAN GA DO M ONNA DA TO HANMEI SHITA NODE.

"I won't stop drilling you until you show me your O-face." When Kenta gives his harsh instructor some sexy payback, he gets to see her submissive side.



(Source: Coolmic)



Note: Simultaneously released in long-strip and traditional formats, with 18 episodes and 6 chapters respectively.