Uchiyama Aki no Chou Bangai Zukan was the title on the MSX FAN's release schedules while Uchiyama Aki no Chou Bangai Seifuku Zukan+ is preferred by many other sources and is the official title for the other platforms.
It was announced to be released in 1989 Feb on Technopolis magazine 1989-03 page 47 and 54.
PC8801 version details: https://bishojoghist.blog.fc2.com/blog-entry-47.html