The apprentice steals the master's techniques at night

Harada's copy of Kenzo Koizumi's original drawing (layout).

At that time, one of the important techniques in Japanese animation was "soft forms and soft movements."

The drawback of new animators was that the movements and characters were stiff.

It is difficult to achieve soft movements without gaining a certain amount of experience and age.

Bosco Adventure

https://www.imdb.com/title/tt0847541/

For this work, Koizumi was in charge of sequence animation direction, key animation, mechanical design, and opening and ending animation. Harada participated as a key animator.