Senpai doesn’t have any confidence that he can win against the art club president. Nagatoro and the gang try to cheer him up, but the president’s art is just too powerful. Nagatoro offers to model for Senpai.
If you really insist, 
I wouldn't mind wearing my swimsuit.
وإن كنتَ مُصرّاً يا سينباي، لا أمانع
ارتداء زيّ السّباحة الخاص بي
Wenn du unbedingt willst
auch im Badeanzug …
Si insistes, puedo ponerme
un traje de baño.
Si insistes, puedo ponerme
un bañador y todo.
Si tu me supplies,
je pourrais me mettre
E se proooprio insisti, 
posso anche indossare il costume da bagno.
E se você quiser mesmo,
eu até ponho o meu maiô.
А если о-о-очень хорошо попросишь,
то могу даже купальник надеть.