Yuusha Party wo Tsuihou sareta Ore da ga, Ore kara Sudatte Kureta you de Ureshii....... nanode Daiseijo, Omae ni Otte Korarete wa Komaru no da ga?

勇者パーティーを追放された俺だが、俺から巣立ってくれたようで嬉しい。……なので大聖女、お前に追って来られては困るのだが? • I'm Glad They Kicked Me from the Hero's Party... But Why're You Following Me, Great Saintess? • Publishing

Synopsis

Written off as nothing more than a useless bag boy, Mihama Ariake is driven out of the hero's party he had been traveling with. However, his true strength is in his unlimited use of all extant skills, a power directly bestowed upon him by God—and it is God's will that he use those skills to back up the hero's party. Freed from that duty, he goes where his whims lead him, running into many surprising people and unexpected things along the way. (Source: Square Enix)

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Yuusha Party wo Oidasareta Kiyoubinbou: Party Jijou de Fuyo Jutsushi wo Yatteita Kenshi, Bannou e to Itaru