Gomi Sukiru [Suteru] ga [Shushasentaku] ni Kakusei Shitanode, Saikou Nando no Dai Meikyuu wo Kanzen Koryaku Suru ~Munouda to Pati wo Tsuihosareta Shounen ga Saikyou ni Itaru Made~

"One day, let's conquer the Great Labyrinth. Just two of us, okay?" However, Teik wasn't blessed with the talent to become an explorer. He manifested the trash skill [Discard], which could only be used to 'discard' items the size of his palm. Branded useless by his party, Teik lived his hellish life, feeling completely lost. One day, Teik was unreasonably banished and abandoned by them while exploring the Great Labyrinth. But while awaiting his certain doom, his skill suddenly awakened into [Selection]. An abnormal skill that adds the status and skills of the enemies he defeats to his own...?! In order to fulfill the promise he once made, the boy must 'select' his own destiny...!