Sunadokei 
A nationally recognized teacher at a prestigious school, that is the legacy she has earned. She is engaged to the son of the school's director and her life could not be more perfect... until a few of her students decide they want to cause some problems for her and seduce her fiance to use as blackmail to get at her... what are they possibly going to ask of her..?

1. Shin'yuu no Mama (親友のママ); kakioroshi 
2-7. Sunadokei (砂時計); Comic Megastore Alpha 2018-05, 07, 09, 11, 2019-01, 03 
8-9. Y-yama-ke no Kettou (Y山家の血統, "Y" Mountain Villa's Lineage); Comic Megastore Alpha 2017-09, 11

Yuudai