"If it's only 3 centimeters at the tip..." OK, the sister-in-law inserted... even more pleasurable than the older brother, deep penetration and pregnancy, ejaculation inside. Fukada Eimi MEYD-621

When he confessed his feelings to his sister-in-law and begged her to penetrate him, she said she didn't want to have an affair and could only insert 3 centimeters! However, the continuous stimulation of her private parts by his glans made her unable to suppress her desire and she begged for penetration...