Mary Grace Buenaventura is a member of MNL48's Team L.
- MNL1 (PARTY ga Hajimaru yo)
- Skirt, Hirari
- Kiss wa Dame yo
- Hobbies: Watching Asian dramas and movies and choreograph dance steps
- Favorite anime: Kaichou wa Maid-sama, Fairy Tail, Vampire Knight
- Favorite food: Bread and pastries, brownies, pancakes and waffles
- Favorite ice cream flavors: Vanilla, Matcha, Mint Chocolate Chip
- Favorite video games: Dota 2, Tekken, Super Mario
- Biggest fears: God, snakes, closed spaces
- Favorite KPop groups: Girls Generation, SEVENTEEN, ATEEZ
- Favorite MNL48 Members: Marsela Mari Guia, Shekinah Arzaga, Dian Marie Mercado
- Favorite JKT48 Members: Shania Gracia, Nurhayati, Rona Anggreani
- Oldest member of MNL48 and Team L.
- She wants to center or be the part of the senbatsu for the following 48groups songs, Heavy Rotation, UZA, and FRUSTRATION.
- She can sleep anywhere.
- She is a Dota 2 gamer.
- She is a graduate of Accounting Technology.
- Dubbed by the fans as Team L's unofficial Vice Captain as she is known to lead the group when Kaede Ishiyama is not available due to other commitments.