I Rely on Drinking Water to Involute Myself and Starve My Sister, the Big Eater, to Death

It's a Bit Dead, Are There Any Good Books with Few Chapters?

Anything with fewer chapters, romance, time travel, campus sweethearts, systems, cultivating immortals, etc. Are all fine, as long as they are good-looking👀! Nice! ,🆘Save me, sweet! Sweet! I want sweet text! He! Don't be! Wuwuwu～🆘