This is the PA Works artstyle. Other hits include Hanasaku Iroha, Another, Sakurai Quest, Akiba Meido Sensou, Mayonaka Punch and Nagi no Asukara.

I swear I formatted it properly on mobile.

Genshiken
Bartender
Spice and Wolf
The Fable
Dungeon Meshi
Goblin Slayer
Saihate no Paladin
Shirobako
Psycho Pass
Wotakoi
Zom100
Golden Kamuy
My Home Hero
Kyokou Suiri
Vinland Saga - He’s like 16 in the first half but grows up by the 2nd half.
Isekai Ojisan
Cyberpunk: Edgerunners
Blue Period
Megalo Box
Samurai Champloo
BNA
Aria
Ishuzoku Reviewers
NHK no Youkoso
Drifters
Trigun
Osomatsu-san

Serial Killer ni Isekai Oritatsu?

• Bang Dream
• the various idol master and love live series