そのじつ
in fact
Also written 其の実
Adverb
彼かれらのコントは一見いっけんほとんどアドリブに見みえる。ところがその実じつ緻密ちみつな計算けいさんとリハーサルのたまものなのだ。
To all appearances, their skit seems almost improvised. However, it is in fact the result of careful consideration and rehearsal.