University employee Ryouichirou is ordered by the Chairman to take in an exchange student. That exchange student, Qaltaqa, is a native from a developing country who can't understand Japanese!! Though he is a warrior of his tribe and a man of great beauty, seeing him afraid of the phone and the TV, and even the toilet, Ryouichirou gets fed up... But while being called "Ryouichirou" in such a clumsy manner, he has a change of heart!? (Source: Ikemen Scans)

Mother's Spirit was published in Spanish by Ediciones Tomodomo from November 13, 2017, to March 30, 2020; and in Italian by Magic Press from May 15, 2025, to July 3, 2025.