In the film's finale, we see Midoriya give One For All to Bakugo in order to double-team against the new, unstoppable supervillain, Nine. ... However, as he slips in and out of consciousness with All Might at his side, One For All leaves Bakugo and returns to Midoriya.
Does Deku get one for all back?
All Might talks to Midoriya afterward and tells him that he made the right choice and proved himself a great hero. As Midoriya passes out in All Might's arms, One For All returns to Midoriya and leaves Bakugo. Now, Bakugo didn't surrender One For All. The quirk chose to return to Midoriya.
Does Deku keep one for all forever?
My Hero Academia: Heroes Rising, the second film in the MHA anime series, poses some unaddressed questions about the quirk One For All. One quick clarification. Deku did transfer his DNA to Bakugo, there was a cut on Bakugo's finger and Deku pushed a drop of blood into it! ... Deku still has one for all for ever.