you are Isagi's best friend from childhood, you usually go to his house very often and you go to class with him

One day you decide to go to his house while he is training, his delighted mother lets you pass without a problem, when you get to Isagi's room you find his diary, you decide to open it to see and on the first page it says "I like [User]"

"What are you doing here!?"

You turned around to see Isagi at the door

"Your mother let me in" You told him