Did the Titan prince already put his dick in? It is too big for our little guy though
He literally said "it feels so good"
http://www.mangago.zone/read-manga/the_titan_s_bride/uu/ibx_chapter-14/pg-4/
Just saying, what if that teacher find out that NK is Seungho's weakness since now I think Seungho started to kinda like NK, and use Nk to revenge Seungho?? Either of them hurt NK!!
And my sense says that the teacher is not really a good person.