Patrol Boat No. 102No.48"When I look up
into the vast sky tonight, ..."A quote from Abe no Nakamaro's poem. I-class submarineI, Ro-500 or U-511, have come from Germany to Japan in a marriage.Ro-"... is it the same moon
that I saw rising..."This person seems to be Abe no Nakamaro.I wanna visit my old home once in a while...Ro-500Japanese clothes!Everyone in Japan is kind to me.Let's drink together!