takeuchi takashi, fujimaru ritsuka (female), mash kyrielight, fate/grand order, fate (series), game asset, official art, third-party source, 2girls, ahoge, black-framed eyewear, black skirt, book, chair, command spell, from above, hand on own head, holding, holding pen, jacket, long sleeves, multiple girls, necktie, on chair, open book, orange hair, pen, pink hair, pocket watch, shirt, short hair, sitting, skirt, table, tile floor, tiles, watch, white jacket, white necktie, white shirt, writing