Kiite kuremasu yo ne? Senpai is a Manga/Manhwa/Manhua in english language, ROMANCE series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

One day a beautiful girl who is famous at school suddenly comes to kento Ikuno's apartment. She shows him a "ticket" written in bad handwriting that reminds him of his childhood. This is a love comedy about a "ticket that makes you do anything they want".