obentoo nani ga haitteta
obentoo nani ga haitteta ?
o b e n t oː WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY h a i t t e t a WORD_BOUNDARY
o b e n t o o WORD_BOUNDARY n a n i WORD_BOUNDARY g a WORD_BOUNDARY h a i t t e t a WORD_BOUNDARY