dont have any real info on mahotama other than its loli and called mahotama xD
heres one i quickly found on vndb:
Original title : リトルガール☆レッスン ~今日から始まるロリっ娘調教一週間!~
Romaji : Little Girl Lesson ~Kyou kara Hajimaru Lolikko Choukyou Isshuukan!~
Developer : Shining Star
Publishers : Shining Star...