Need help finding a manga

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Does anyone know the title of the oneshot manga which is about chubby girl and skinny boy falling in love?? I'm not sure but as I recall they were basketball players(?)

they were also punished because their teacher / coach misunderstood them with their clothes off in the practice room.

and sorry english is not my first language

 

[BroederTrapist]

Shorty and Chubby Are in Love

searched for chubby

 

[blank_n]

Woah thank you

B-but that's not what I'm looking for. I think I read it not from Mangadex

[+]
as I remember, there was a scene where the boy gave the girl a piggyback