Every small world has a scumbag like this. For one reason or another, he breaks his partner's heart, and only regrets it after their partner dies.
To get another chance at life, they strike a deal with the System and return to the day they first met their partner.
"Where are my eyes?! Oh, I'm just blind."
"Waaah, I'm so poor!!"
"What? What did you say?!!"
Small Worlds
World One: Blind, dependent-on-his-partner gong and violent, spoiled-rich-kid shou
World Two: Paralyzed male-insect gong and gentle, caring insect-emperor shou
World Three: Sickly young master gong and cold, ruthless general shou
World Four: Deaf student gong and aloof, reserved CEO shou
World Five: Mute shut-in gong and outgoing, proactive shopkeeper shou
World Six: Poor cross-dressing gong and strict, no-nonsense boss shou
World Seven: Lame Alpha gong and cold-blooded villainous Omega shou
World Eight: Short-lived Taoist gong and steady, experienced elder shou
World Nine: Unlucky human gong and powerful, devoted esper shou
World Ten: Sleepy dog-like gong and refined, fastidious owner shou
Guide:
1. Ten episodic stories, each set in a different small world
2. Gong-centered, younger gong, weaker gong and stronger shou
3. In his previous life, the gong only ever loved the shou
Theme: Cherish the person in front of you