Jesus and Buddha are enjoying a leisurely life in a small room in a corner of Japan. Doing things together that are sometimes useless but quite fun, the two of them feel that the chill life is okay. However, one day an uninvited guest visits the two and reveals a shocking secret to them, and then this event leads to the Holy War where God × Buddha × Angel × Demon face off to decide the fate of humanity. (Source: cinematoday.jp = Japanese || Translation = My DramaList) ~~ Adapted from the manga series "Saint Onii-san" (聖☆おにいさん) by Nakamura Hikaru (中村光).