There's 'Log Horizon' which is set in a game - like isekai world. Similar to 'isekai monster breeder light novel', it focuses on the development within the new world. In 'Log Horizon', the characters have to understand and utilize the rules of the world, just like how in the monster breeder light novel the character has to understand the nature of monsters for breeding. Additionally, 'The Rising of the Shield Hero' has some parallels as it involves building up power and resources, which can be related to breeding monsters in terms of growth and development in an isekai environment.
Well, 'Overlord' can be considered in a sense. Although it's not directly about monster breeding, it has a vast world with various creatures and the main character has to manage and interact with them in an isekai setting. Also, 'Sword Art Online: Alicization' has elements where the main character deals with different entities and there is a sense of growth and development, much like what you might find in 'isekai monster breeder light novel' when it comes to the relationship between the protagonist and the monsters.
If you want the clearest chapter reference, go to Chapter 81. Early on, Qi Tianyu, who chose curry beef rice, received a piece of curry and a...; later, the chapter leans on Shu Yan was relatively lucky, she got a bundle of noodles and a bag of....
A practical answer is Chapter 56, because it turns the idea into a concrete scene. The chapter opens with Lei Shen originally had no idea about the trending topics on Weibo., adds pressure through So, bring it on, Blackie, starting today, I am Jiang Li's diehard fan!, and ends on At this moment.
Chapter 937, "When Did the River Moon First Shine on People [Extra: River Moon Chapter]", is the clearest early answer because it turns Shang Shuyue's situation into a concrete plot event.
A practical answer is Chapter 18, because it turns the idea into a concrete scene. The chapter opens with In the corner, a girl in a black dress sat quietly, holding a glass of..., adds pressure through I have no reason to joke with the rest of my life." "Moreover, I wouldn't..., and ends on Hurry.
The best chapter pointer here is Chapter 44, "Laozi's Hands Are Made to Drive a Ferrari!". It opens with But the next move by the production team proved they hadn't forgotten the... and closes on Does anyone here know how to drive?.
Chapter 76 is the strongest chapter-level answer because it starts from Thinking of this, the aunt repeatedly praised, "Girl, hearing your words... and follows through on Soon, Shu Yan also couldn't hold out any longer, leaning against the tree....
If you want the clearest chapter reference, go to Chapter 33. Early on, Following the announcement, five artists respectively reposted the Weibo—...; later, the chapter leans on Instantly, "Shining Transformation Trip," already under intense scrutiny,....
If you want the clearest chapter reference, go to Chapter 37. Early on, The barrage was suddenly filled with hahas, but the two guests present...; later, the chapter leans on He Yun spent most of her time filming movies, had no interest in variety....
Look to Chapter 18 for the clearest answer. It begins with In the corner, a girl in a black dress sat quietly, holding a glass of..., keeps building through Her serene yet cold temperament, along with her exquisitely beautiful..., and lands on Hurry home, what is a young lady like you doing.
Look to Chapter 22 for the clearest answer. It begins with Hearing this, Su Yinwan looked at Shang Shaojing with a face full of..., keeps building through Shang, but it's not necessary;