Responses
Someone said it's a bunny suit, but that was before it was translated. I don't think it's a bunny suit anymore, I think it might be number 1. Cus he already has number 3, and number 2 also has a possibility because that kinky mf onced roleplayed "General Manager and Intern" play KANDNAJEBC that was a bit embarrassing.
There are about 3 major guesses as to whats in the box
1) lingerie/sexy underwear 2)cosplay of sorts 3) some kinky ass shit, like ropes or certain toys