MKON-059 The Tale Of How My C***dhood Friend That Had Promised To Marry Was Fucked By Some Random Private Tutor That Came From Nowhere. Urara Kanon

This girl is Urara Kanon. She is my childhood friend. Urara may have forgotten by now, but when she was a child, she promised to marry her when she grew up. I remember the promise I made then, and I still want to fulfill it. Come to think of it, Urara's mother seems to have applied for a free trial tutoring campaign, and a tutor is coming to Urara's house today. I was told that the teacher in charge would be a woman, so I don't think anything strange would happen, but somehow I feel uneasy...