Trash Collection of the Interstellar Young Lady

After Shen Chenfu, a wanderer on a barren planet, is rescued by the richest family in the galaxy, she faces constant sabotage from her adopted sister and fake heiress, while classmates mock her trash-collecting hobby. Everyone assumes she is an ordinary C-rank space user, but during the league match, she reveals her 3S-rank power, effortlessly crushing opponents with high-tier beasts from her collection. Her introverted nature leads her to a close friend as she slaps down those who looked down on her and investigates the mysterious truth behind her mother's death.