Tsuide ni TonchinkanTsuide ni Tonchinkan.

Tsuide ni Tonchinkan (Japanese: ついでにとんちんかん; 'Miraculous Tonchinkan") is a Japanese manga series written and illustrated by Koichi Endo. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump from 1985 to 1989, with its chapters collected in 18 tankōbon volumes. A 43-episode anime television series adaptation, produced by NAS and Fuji Television and animated by Studio Comet, was broadcast on Fuji TV from October 10, 1987, to October 1, 1988.