Misuzu: Ikenai Koto

Synopsis

Misuzu invites his boyfriend Yuto to stop by eating somewhere and tempting to let his boyfriend do perverted things on the train later on the journey on condition that they can only do nasty things from outside the clothes alone, and should not touch directly with the body. When there is a shock on the train journey, Yuto and Misuzu are separated. And foreign men on the train take advantage of this opportunity to sexually harassing on Misuzu.

(Source: Nekopoi and Has Been Translated and Edited)