My Girlfriend Mentally drains me with her Trivia is a Manga/Manhwa/Manhua in english language, Comedy 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

“Kissing helps to improve your physical condition.” Sakurako, Youto’s older girlfriend and a college student, is very knowledgeable and proudly displays her trivia knowledge at all times. There’s a lot of love going on here! Introducing a full-color, freshly drawn romantic comedy that will be a hot topic on the Internet!!