A mustard story about a mustard girl who travels through time and becomes a tutor.
All kinds of thunder, be careful.
Cp is undetermined, bg is absolute.
Mary Sue, you understand.
To all the handsome men in my tutoring service, I won't let you go!
By the way, about the heroine's name.
MiyanomiyanoMausoleumryu
So I put the sad and miserable author of 13 [? ↓↓↓↓↓↓↓