Skill Lender no Torikaeshi: Toichi tte Saisho ni Itta yo na?

Marz, who has the unique skill "Lender's Skill," lends the acquired skills and contributes to the party. However, after being betrayed by his friends, Marz takes back the skills he lent them. From the weakest, Marz became the strongest. He took the path of revenge and counterattack!

(Source: MangaDex, edited)