The correct transliteration under the Hepburn system should be Bō, not Bōtsu. The last katakana is a sokuon which extends the previous vowel.--Platform (talk) 10:27, December 21, 2020 (EST)
Further evidence can be seen in the Perfect-ban's entry for Genkottsu which shows both ッ and ツ together on page 81.--Platform (talk) 22:58, December 26, 2020 (EST)
