Star Dome Railway: the Order of Joy Makes Me Invincible

Lin Yuan traveled to the world of MiHoYo Star Railway and accidentally awakened the joy system. As long as the heroine of this world has a good impression of him, she can become infinitely stronger and upgrade! Bite! Qingque's happiness level is 99, and she gets the Jade Zhang Shield! Bite! Fu Xuan's happiness level is 999, and he gains the ability of the heavenly star! Bite! Kiana's happiness level is 9999 and she gets a 9-star weapon! Qingque: "Brother Lin Yuan is so strong, please become a slave tonight!" Ji Zi: "Obviously, Lin Yuan is the man standing on the top of the Luofu Immortal Boat." Fu Xuan: "I will wear black stockings tonight~" Lin Yuan: "Well, okay, eh? Wait! Don't~" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.