. D . s ? ▁Mas ashi ▁and ▁his ▁school m ates ▁must ▁now ▁face ▁the ▁most ▁powerful ▁F . R . I . E . N . D . ▁of ▁all , ▁sum mon ed ▁by ▁the ▁Black - C lo aked ▁Four ... ▁ ▁Cast ▁▁ ▁Tak uto ▁Sue oka ▁as ▁Mas ashi ▁K us ak abe , ▁a ▁kind - heart ed ▁sixth - gr ader ▁who ▁lost ▁his ▁father ▁in ▁the ▁earth qu ake ▁and ▁en su ing ▁natural ▁dis aster . ▁He ▁has ▁just ▁moved ▁with ▁his ▁mother ▁to ▁Ts ug um o ▁City , ▁where ▁his ▁uncle ▁Na oto ▁lives ▁and ▁works . ▁Although ▁he ▁acts ▁cheer fully ▁in ▁front ▁of ▁his ▁mother , ▁he ▁hasn ' t ▁recovered ▁from ▁the ▁loss ▁of ▁his ▁father ▁or ▁the ▁shock ▁of ▁the ▁dis aster . ▁His ▁favorite ▁food ▁is ▁che e - k ama , ▁a ▁processed ▁food ▁manufact ured ▁by ▁his ▁father ' s ▁company . ▁He ▁trans fers ▁to ▁a ▁private ▁elementary ▁school , ▁Ts ug um o ▁U ra ka ▁G ak uen , ▁which ▁u ph olds ▁discipline ▁and ▁safety , ▁but ▁from ▁day ▁one , ▁he ▁becomes ▁the ▁target ▁of ▁bul lying ▁by ▁T ats u ya . ▁Through ▁his ▁encounter ▁with ▁Kur age - bo , ▁the ▁only ▁F . R . I . E . N . D . ▁that ▁doesn ' t ▁require ▁any ▁Device , ▁Mas ashi ▁lear ns ▁the ▁meaning ▁of ▁true ▁friendship ▁and ▁the ▁t ies ▁that ▁bind