Does penetration of the glans penis into the vulva without sexual pleasure obligate Ghusl?

Q: Does the penetration of the glans penis into the vulva without sexual pleasure, necessitate Ghusl (ritual bath following major ritual impurity) or not?

A: All praise be to Allah Alone, and peace and blessings be upon His Messenger, and his family and Companions.Yes, Ghusl becomes obligatory on both man and wife because of the reported evidence in this regard. Among them is what is reported by Ahmad, Muslim, and Al-Tirmidhy on the authority of `Aishah (may Allah be pleased with her) that the Messenger of Allah (peace be upon him) said: “When he (husband) sits between her four sides (arms and legs) and the one circumcised part touches the other (the penis penetrates into the vulva), Ghusl becomes obligatory.” It is also related in the Two Sahih (authentic) Books of Hadith (i.e. Al-Bukhari and Muslim) on the authority of Abu Hurayrah (may Allah be pleased with him) that the Messenger of Allah (peace be upon him) said: “When he (husband) sits between her four sides (arms and legs) and has intercourse with her, Ghusl becomes obligatory.” The narration of Muslim adds: “Even if he does not ejaculate.” May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.