Disguising Myself as a Man to Become a Knight! - Chapter 54

Going for a swim, she ends up in an ancient wild Beast World and ends up being brought home by a handsome wolf.
She wants to stick to the handsome wolf, stock some salt, farm some land, look at some handsome men and grow old like that, but the handsome wolf pounces on her every day.
What? He wants her to have babies?
NO~ NO~ NO~ There is no happy ending to interspecies marriages, hurry and let go of me handsome wolf~

- Description from Novelupdates

This is the story of a young slave gladiator in an underground arena. He doesn’t know about his past or how he got to where he is, only that his name is Aegir, and that he is strong.

Xia Xiao unexpectedly reincarnates to the 1960s and becomes a young intellectual in a production team.Having obtained a mystical space with a spirit spring and jade water, she raises chickens and grows vegetables, but dares not use them.As everyone around her is skinny and hungry, if she turns herself into a wealthy and beautiful woman, it would lead to her undoing.Xia Xiao looks up to the sky and sighs deeply, what a bittersweet surprise this is!

The Student Council President’s Secret Laid Bare (生徒会長のセキ裸ラな秘密) is fairly standard 2D Dream Bunko fare but with an exhibitionism theme.

Basically, it’s about a guy who discovers the student council president is an exhibitionist and gets roped into helping her with that fetish.