"1-2-3" in the title is not pronounced one-two-three but is officially pronounced like a Japanese address number; icchome (1st block) - nibanchi (2nd street) - sango (3rd building) according to the director's blog. http://blog.lv99.com/?eid=943754
Release date: June 15, 1990 as per https://en.wikipedia.org/wiki/Mad%C5%8D_Monogatari
The title was undetermined on ASCII MSX Magazine 1990-03 page 22 and was Madō Monogatari 2 on 1990-04 page 19.